Question

Solve 2 - x= -7. O A. x=9 X B. X= 5 C. x= -9 D. x= -5

Answer 1

2 - x = - 7

Adding x at both sides of the equal signe, we get:

2 - x + x = - 7 + x

2 = -7 + x

Adding 7 at both sides:

2 + 7 = -7 + x + 7

9 = x