Question

Solve the equation x + 7 = 12

Answer 1

x=5

Explanation:

x+7=12

If you do the same thing to both sides of the equation, then the trueness of the equation does not change. Therefore, I can subtract 7 from both sides of the equation to isolate x.

x+7-7=12-7

x=5

Hope this helps!

Answer 2

5

Explanation:

x=12-7

x = 5