SOLUTION: I need the step-by-step procedure to use to get the answer for the following expression: 3x + 18 = 2x - 2 I know the answer is -20, but I need the step-by-step procedure to u

Question 811923: I need the step-by-step procedure to use to get the answer for the following expression:
3x + 18 = 2x - 2
I know the answer is -20, but I need the step-by-step procedure to use to get the answer.
Thank you
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
3x + 18 = 2x - 2
We want to use basic algebra operations to get x on the left by itself and the numerical values on the right
Subtract 18 from both sides and you have
3x + 18 - 18 = -2 - 18
3x = 2x - 20
subtract 2x from both sides
3x - 2x = 2x - 2x - 12
which is
x = -20
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