Question

calcule a equação : -2x+6-9=0

Answer 1

-2x = -6 +9
-2x = 3
x = -3/2

Answer 2

- 2x + 6 - 9 = 0
- 2x - 3 = 0
- 2x = 3 (-1)
2x = - 3
x = - 3/2