Question

1. Which value of x satisfies the equation below?

- 2x - 7 = 12
A. x = -9.5
B. x = -9
C. x = 9
D. x = 9.5

Answer 1

Answer: A.x=-9.5

Explanation:

-2x-7=12

move the constant to the right

2x-12+7

calculate

2x=19

divide both sides

Answer 2

It’s A I think not sure