7x=-(2x-18)

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



7x=-(2x-18)

We move all terms to the left:

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



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

-(2x-18)

We get rid of parentheses

-2x+18

Back to the equation:

-(-2x+18)



We get rid of parentheses

7x+2x-18=0

We add all the numbers together, and all the variables

9x-18=0

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

9x=18

x=18/9

x=2

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