3x+3=2x-18

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Solution for 3x+3=2x-18 equation: 



3x+3=2x-18

We move all terms to the left:

3x+3-(2x-18)=0

We get rid of parentheses

3x-2x+18+3=0

We add all the numbers together, and all the variables

x+21=0

We move all terms containing x to the left, all other terms to the right

x=-21

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