3=7x+(2x-18)

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Solution for 3=7x+(2x-18) equation: 



3=7x+(2x-18)

We move all terms to the left:

3-(7x+(2x-18))=0



We calculate terms in parentheses: -(7x+(2x-18)), so:

7x+(2x-18)

We get rid of parentheses

7x+2x-18

We add all the numbers together, and all the variables

9x-18

Back to the equation:

-(9x-18)



We get rid of parentheses

-9x+18+3=0

We add all the numbers together, and all the variables

-9x+21=0

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

-9x=-21

x=-21/-9

x=2+1/3

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