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
Flauer [41]
3 years ago
10

Solve the equation: a) -3 = 7+2t/3 b) 4(5x-2) = 7(2x+3) c) 2x-6 = 30-2.5x

Mathematics
1 answer:
Umnica [9.8K]3 years ago
7 0
Let's start by solving the first equation.

a) -3 = 7 + 2t/3 
To begin simplifying this equation, we should multiply both sides by 3 to get rid of the denominator on the right side of the equation.
-9 = 7 + 2t
Next, we should subtract 7 from both sides to cancel out the 7 on the right side.
-16 = 2t
Finally, we should divide both sides by 2.
t= -8


Now let's move on to the next equation.

b) 4(5x-2) = 7(2x+3)
Let's use the distributive property to get rid of the parentheses and their coefficients.
20x-8 = 14x + 21

Now, lets subtract 14x from both sides of the equation.

6x - 8 = 21

Next, let's add 8 to both sides of the equation.

6x = 29

And divide both sides by the coefficient of x, which is 6.

x = 29/6 or 4 5/6

Now for the last equation.

C) 2x - 6 = 20 - 2.5x
First, we should add 2.5x to both sides to cancel out the -2.5x on the right side of the equation.
4.5x - 6 = 20
Now, let's add 6 to both sides to get the variable term alone.
4.5x = 26
Finally, we should divide both sides by 4.5 to get x by itself.
x = 5 7/9

Hope this helps! :)
You might be interested in
Which equations are true?<br> Choose All Answers That Apply (10 Points)
Nataly [62]

Answer:

B

Step-by-step explanation:

Two negatives is a positive, and you want your outcome to be a positive x, therefore b is the correct answer.

3 0
3 years ago
Read 2 more answers
You make and sell triangular flags. Each flag has a base of 3.5 feet and a height of 2.5 feet. Fabric for the flags costs $0.40
AlexFokin [52]

Answer:

Square feet refer to the area of the triangle. Using the area formula (1/2bh), the area is calculated to be 4.375 square feet. If each square foot costs $.40 to make, then the correct process is to multiply 4.375 by .40, making the correct answer $1.75.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
You take a random token from a bag that contains 44? red, 1414? green, and 66? blue tokens. What is the probability your token i
german

Answer:

11/381

Step-by-step explanation:

Not sure what the ? after each number means but I'm going to assume they aren't there

so we need find the number of tokens in all which is

44+1414+66=1524

P(red)=44/1524 now reduce giving P(red)=11/381

5 0
3 years ago
Read 2 more answers
Expression for two years older than Marjorie
Roman55 [17]
2 years older then Marjorie.....m = Marjorie

m + 2 <== ur expression
6 0
3 years ago
Two step equation<br><br> a - 10/3 = -4
cricket20 [7]

a=-2

a-10/3=-4

a-10=-4*3

a-10=-12

a=-12+10

a=-2 is the best answer

5 0
2 years ago
Read 2 more answers
Other questions:
  • Which table shows a function that is decreasing only over the interval (–1, 1)? A 2-column table with 5 rows. The first column i
    14·2 answers
  • Is linear algebra the same as intermediate algebra?
    13·2 answers
  • if a lawyer bills $350/hour, how much does he makes every second? how much does he make per year? assume he works 50 hours per w
    6·1 answer
  • Which of the following statements are true about the equation below?
    6·2 answers
  • Someone who is smart help me please.
    9·1 answer
  • A helicopter hovers 1250 feet
    9·1 answer
  • Which property is BEST to use when simplifying 5/18 + 2/9 + 13/18?
    9·1 answer
  • Allyson has 4.5 pieces of rope to use for a tire swing. If each full piece is 2 2/3 feet long, how much rope does Allyson have i
    14·1 answer
  • Solve:<br> -5+2*4^(2x-5)=151
    5·1 answer
  • I will give brainlest please help should i write the answer differently? First answer gets brainlest
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!