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6 October, 15:52

Talia is solving the following equation.

7x - 4 = 31

Which shows a step Talia can use to solve the equation?

A.

7x - 4 = 31 + 4

B.

7x - 4 + 4 = 31 + 4

C.

7x - 4 - 4 = 31 - 4

D.

7x - 4 = 31 - 4

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Answers (2)
  1. 6 October, 18:11
    0
    B 7x - 4 + 4 = 31 + 4 is the answer
  2. 6 October, 19:14
    0
    b, 7x-4+4=31+4

    Step-by-step explanation:

    you always want to start by isolating the x value, which means that you have to get rid of any outside numbers. by adding four, you are getting rife of the four. but, you have to add the four on the other side to keep it equal.
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