Question

Which of the following equations have x = -2 as their solution?
(a) 2x - (3 - x) = -9
(c) 3-(-x-5) = -4
(b) x-(x-5) = 3
(d) 10-(-x-5) = 12​

Answer 1

Answer:

2(-2)-(3-(-2))=-9

-4-5=-9

-9=-9

3-(-x-5)=-4

3-(-2-5)=-4

3-(-7)=-4

3+7=10