Answer:
x = -3
Explanation:
12 - 4x - 5x = 39
Combine like terms
12 - 9x = 39
Subtract 12 from both sides
12 - 12 - 9x = 39 - 12
-9x = 27
Divide both sides by -9
-9x/-9 = 27/-9
12 -4x-5x = 39
Subtract 12 from each side
12-9x-12 = 39-12
Divide by -9
1.6m questions
2.0m answers