3x=9(x+5)

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Solution for 3x=9(x+5) equation: 



3x=9(x+5)

We move all terms to the left:

3x-(9(x+5))=0



We calculate terms in parentheses: -(9(x+5)), so:

9(x+5)

We multiply parentheses

9x+45

Back to the equation:

-(9x+45)



We get rid of parentheses

3x-9x-45=0

We add all the numbers together, and all the variables

-6x-45=0

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

-6x=45

x=45/-6

x=-7+1/2

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