(9x-18)=(3x+42)

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Solution for (9x-18)=(3x+42) equation: 



(9x-18)=(3x+42)

We move all terms to the left:

(9x-18)-((3x+42))=0

We get rid of parentheses

9x-((3x+42))-18=0



We calculate terms in parentheses: -((3x+42)), so:

(3x+42)

We get rid of parentheses

3x+42

Back to the equation:

-(3x+42)



We get rid of parentheses

9x-3x-42-18=0

We add all the numbers together, and all the variables

6x-60=0

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

6x=60

x=60/6

x=10

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