Ask Question
10 October, 09:23

What is the solution to this equation?

7x-2 (x - 10) = 40

O A. x = 10

O B. x = 4

O c. x = 12

O D. x = 6

+2
Answers (2)
  1. 10 October, 11:25
    0
    x=4

    Step-by-step explanation:

    7x-2 (x - 10) = 40

    Distribute

    7x - 2x + 20 = 40

    Combine like terms

    5x + 20 = 40

    Subtract 20

    5x + 20 - 20 = 40-20

    5x = 20

    Divide by 5

    5x/5 = 20/5

    x = 4
  2. 10 October, 12:20
    0
    B.

    Step-by-step explanation:

    The quickest and fastest way to do this is to guess and check. Simply plug in the given values one by one into a calc and you should see that x = 4 works.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “What is the solution to this equation? 7x-2 (x - 10) = 40 O A. x = 10 O B. x = 4 O c. x = 12 O D. x = 6 ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers