30+4x=6x+12

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Solution for 30+4x=6x+12 equation: 



30+4x=6x+12

We move all terms to the left:

30+4x-(6x+12)=0

We get rid of parentheses

4x-6x-12+30=0

We add all the numbers together, and all the variables

-2x+18=0

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

-2x=-18

x=-18/-2

x=+9

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