(X+30)=(2x-12)

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Solution for (X+30)=(2x-12) equation: 



(X+30)=(2X-12)

We move all terms to the left:

(X+30)-((2X-12))=0

We get rid of parentheses

X-((2X-12))+30=0



We calculate terms in parentheses: -((2X-12)), so:

(2X-12)

We get rid of parentheses

2X-12

Back to the equation:

-(2X-12)



We get rid of parentheses

X-2X+12+30=0

We add all the numbers together, and all the variables

-1X+42=0

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

-X=-42

X=-42/-1

X=+42

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