1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
zepelin [54]
3 years ago
11

2x + 3 = 7 need help with this​

Mathematics
2 answers:
VMariaS [17]3 years ago
4 0

2x + 3 -3= 7-3

2x = 4

2x ÷ 2 = 4 ÷ 2

x = 2

Happy to help! Please mark as BRAINLIEST! Thanks

Agata [3.3K]3 years ago
4 0

Answer:

x = 2

Step-by-step explanation:

2(2) + 3 = 7

You might be interested in
In ΔGHI, the measure of ∠I=90°, the measure of ∠G=21°, and GH = 31 feet. Find the length of IG to the nearest tenth of a foot.
Vilka [71]

Answer:

IG=28.9\ ft

Step-by-step explanation:

we know that

In the right triangle GHI

cos(G)=\frac{IG}{GH} ----> by CAH )adjacent side divided by the hypotenuse)

substitute the given values

cos(21^o)=\frac{IG}{31}

solve for IG

IG=cos(21^o)(31)=28.9\ ft

see the attached figure to better understand the problem

7 0
3 years ago
Read 2 more answers
The graph shows how many miles Barrett traveled over a 5 hour time frame. The point (1,50) is on the graph what is the unit rate
grandymaker [24]

Answer:

Step-by-step explanation:

The answer is B 50

3 0
2 years ago
If the cube shown is 5 inches on all sides, what is the length of the diagonal, x, of the cube?
Pavel [41]

Answer:

5\sqrt{3} inches

Step-by-step explanation:

3 0
3 years ago
One Friday night, a group of friends bought 5 containers of popcorn and 4 granola bars at the movie theatre for $42. 50. The nex
astra-53 [7]

The cost of one container of popcorn and granola is $6.5 and $2.5.

<h2>Linear system</h2>

It is a system of an equation in which the highest power of the variable is always 1. A one-dimension figure that has no width. It is a combination of infinite points side by side.

Given

A group of friends bought 5 containers of popcorn and 4 granola bars at the movie theatre for $42.50.

The next week, the same group of friends bought 3 containers of popcorn and 6 granola bars for $34.50.

<h3>To find </h3>

The equation and solution of the equation.

<h3>How to get it?</h3>

Let p represent the cost of one container of popcorn.

Let g represent the cost of one granola bar.

A group of friends bought 5 containers of popcorn and 4 granola bars at the movie theatre for $42.50.

5p + 4g = 42.50 .....1

The next week, the same group of friends bought 3 containers of popcorn and 6 granola bars for $34.50.

3p + 6g = 34.50 .....2

From Equations 1 and 2, we have

p = 6.5  and  g = 2.5

Thus, the cost of one container of popcorn and granola is $6.5 and $2.5.

More about the linear system link is given below.

brainly.com/question/20379472

8 0
2 years ago
Solve for x. 45(15x+20)−7x=56(12x−24)+6
timofeeve [1]
1119/2

Equations may be true or false, just as word sentences may be true or false. The equation:

3 + x = 7

will be false if any number except 4 is substituted for the variable. The value of the variable for which the equation is true (4 in this example) is called the solution of the equation. We can determine whether or not a given number is a solution of a given equation by substituting the number in place of the variable and determining the truth or falsity of the result.

Example 1 Determine if the value 3 is a solution of the equation

4x - 2 = 3x + 1

Solution We substitute the value 3 for x in the equation and see if the left-hand member equals the right-hand member.

4(3) - 2 = 3(3) + 1

12 - 2 = 9 + 1

10 = 10

Ans. 3 is a solution.

The first-degree equations that we consider in this chapter have at most one solution. The solutions to many such equations can be determined by inspection.

Example 2 Find the solution of each equation by inspection.

a. x + 5 = 12
b. 4 · x = -20

Solutions a. 7 is the solution since 7 + 5 = 12.
b. -5 is the solution since 4(-5) = -20.

7 0
2 years ago
Read 2 more answers
Other questions:
  • Hope someone can help me with this
    11·1 answer
  • Reduce To Simplest Form.<br><br>-1/4 - (-3/5) =​
    13·1 answer
  • What is the value of a and b?
    7·2 answers
  • Stacey Steady pays $19.95 per month for her fitness center membership. If she works out twice a week for a year, how much does s
    5·2 answers
  • The sum of two numbers is 190. The sum of their digits is 10.
    15·1 answer
  • Which lines, if any, must be parallel based on the given diagram?
    7·2 answers
  • What is the area of the smallest square? A) 16 in2 B) 25 in2 C) 36 in2 D) 49 in2 PLEASE HELP!!!!!!!!!!!!!!!!!!!!!
    12·2 answers
  • What is the length of segment AB?
    12·2 answers
  • Dani takes her two friends out for lunch. Dani's meal costs $5.72 and her friends' meals are $4.89 and $7.30. Dani pays for the
    9·2 answers
  • Find 94% of 90! Do not round your awnser. Show your work​
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!