Answer:
The x variables are like terms because they are the same and the regular numbers are like terms because they are both without a variable
Step-by-step explanation:
Answer: x = 9
Step-by-step explanation:
-8x - 12 + 5x = -39 Collect or combine like terms on the left side by add -8x and 5x.
(-8x +5x ) - 12 = -39
-3x - 12 = -39 NOw add 12 to both sides
+ 12 + 12
-3x = -27 Divide both sides by -3
x = 9