(7x-12)=(3x+18)

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Solution for (7x-12)=(3x+18) equation: 



(7x-12)=(3x+18)

We move all terms to the left:

(7x-12)-((3x+18))=0

We get rid of parentheses

7x-((3x+18))-12=0



We calculate terms in parentheses: -((3x+18)), so:

(3x+18)

We get rid of parentheses

3x+18

Back to the equation:

-(3x+18)



We get rid of parentheses

7x-3x-18-12=0

We add all the numbers together, and all the variables

4x-30=0

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

4x=30

x=30/4

x=7+1/2

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