Question

Solve for x: 2x + 5 = -7

Answer 1

2x + 5 = -7

2x = -5 -7

2x = -12

x= -6

2(-6) + 5 = -7

-12 + 5 = -7

-7 = -7          True

Answer 2

2x+5= -7
2 x -6 +5 = -7
-12 + 5=-7
-7 = -7

x=-6