Question

Solve the following given x = -4 in
2x - 3x + 9

Answer 1

2 x (-4) - 3 x (-4) + 9=

(-8) - (-12) + 9 =

4 + 9 =

13

Answer 2

13

Explanation:

2×(-4) - 3×(-4) +9

-8 - (-12)+9

-8+12+9

13