9x+90=3(x+6)

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Solution for 9x+90=3(x+6) equation: 



9x+90=3(x+6)

We move all terms to the left:

9x+90-(3(x+6))=0



We calculate terms in parentheses: -(3(x+6)), so:

3(x+6)

We multiply parentheses

3x+18

Back to the equation:

-(3x+18)



We get rid of parentheses

9x-3x-18+90=0

We add all the numbers together, and all the variables

6x+72=0

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

6x=-72

x=-72/6

x=-12

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