3x+30=4x+18

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Solution for 3x+30=4x+18 equation: 



3x+30=4x+18

We move all terms to the left:

3x+30-(4x+18)=0

We get rid of parentheses

3x-4x-18+30=0

We add all the numbers together, and all the variables

-1x+12=0

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

-x=-12

x=-12/-1

x=+12

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