3x-18=42-2x

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Solution for 3x-18=42-2x equation: 



3x-18=42-2x

We move all terms to the left:

3x-18-(42-2x)=0

We add all the numbers together, and all the variables

3x-(-2x+42)-18=0

We get rid of parentheses

3x+2x-42-18=0

We add all the numbers together, and all the variables

5x-60=0

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

5x=60

x=60/5

x=12

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