30=4+2x

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Solution for 30=4+2x equation: 



30=4+2x

We move all terms to the left:

30-(4+2x)=0

We add all the numbers together, and all the variables

-(2x+4)+30=0

We get rid of parentheses

-2x-4+30=0

We add all the numbers together, and all the variables

-2x+26=0

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

-2x=-26

x=-26/-2

x=+13

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