30-3x=4-x

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Solution for 30-3x=4-x equation: 



30-3x=4-x

We move all terms to the left:

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

We add all the numbers together, and all the variables

-3x-(-1x+4)+30=0

We get rid of parentheses

-3x+1x-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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