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
Anarel [89]
3 years ago
13

3 - 7x plus 2x when x =3

Mathematics
2 answers:
nirvana33 [79]3 years ago
7 0

Answer:

if x is 3 then

3-7(3)+2(3)

-18+6

-12 done

pashok25 [27]3 years ago
5 0

Answer:

-12

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

<u>Step 1: Define</u>

3 - 7x + 2x

x = 3

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                    3 - 7(3) + 2(3)
  2. Multiply:                               3 - 21 + 6
  3. Subtract:                              -18 + 6
  4. Add:                                     -12
You might be interested in
What is - 5/6k greater than equal to -15?
natta225 [31]
The answer is k is greater than or equal to 18
6 0
3 years ago
Read 2 more answers
The cost of 5cd's and a $12 DVD
Varvara68 [4.7K]
Let the price of one CD be c.
The 5 CDs cost 5c.
The cost of 5 CDs and a $12 DVD is

5c + 12
6 0
3 years ago
There are 6 quarters in a jar. Jill adds 2 quarters to the jar every day. Write a linear equation in slope-intercept form to rep
aliya0001 [1]
Initial number of quarters; 6

x = number of days

Number of quarters added after x days: 2x

Total amount of quarters, y = 2x + 6

Note: the slope is 2 and the y-intercept is 6.

8 0
4 years ago
Could anyone tell me the answer
erastova [34]

Answer:

2x+3

Step-by-step explanation:

divide 6x + 9 by 3 using long polynomial division  

4 0
3 years ago
PLEASE HELPP!!! Lines l and m are parallel. What is the measure of angle 3?
erma4kov [3.2K]

Answer:

25 degrees

Step-by-step explanation:

85 +x-10 + 2x=180

85-10+3x=180

75+3x=180

3x=105

x=35

 35-10=25

7 0
4 years ago
Other questions:
  • Solve the following quadratic equation for its exact value by using the square root principle.
    14·1 answer
  • Solve the inequality -5/2(3x+4)&lt;6-3x show your work
    15·1 answer
  • suppose a laser beam directed toward the visible center of the moon misses its assign target by 30 seconds . How far in miles fr
    9·1 answer
  • write an algebraic expression for the interest earned on a $15000 deposit for a t months at 1.75% interest, compunded continuous
    7·1 answer
  • Henry are 3/4 of a sandwich. Keith are 4/8 of the same sandwich. How much more of the sandwich did Keith eat than henry
    15·2 answers
  • Find the value of X in that isosceles triangle shown below
    8·1 answer
  • According to this graph, how fast is the train moving in miles per hour?
    8·2 answers
  • Henry is using a geometry software program to construct some triangles and study their properties. Line h is perpendicular to li
    13·1 answer
  • Solve for a.–13. 4a = 33.5
    11·1 answer
  • What is the slope of the line which passes through (4, 5) and (0, 1)?
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!