3x-30=x+18

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Solution for 3x-30=x+18 equation: 



3x-30=x+18

We move all terms to the left:

3x-30-(x+18)=0

We get rid of parentheses

3x-x-18-30=0

We add all the numbers together, and all the variables

2x-48=0

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

2x=48

x=48/2

x=24

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