9x=15(x-30)

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Solution for 9x=15(x-30) equation: 



9x=15(x-30)

We move all terms to the left:

9x-(15(x-30))=0



We calculate terms in parentheses: -(15(x-30)), so:

15(x-30)

We multiply parentheses

15x-450

Back to the equation:

-(15x-450)



We get rid of parentheses

9x-15x+450=0

We add all the numbers together, and all the variables

-6x+450=0

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

-6x=-450

x=-450/-6

x=+75

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