x+9=3(x-5)

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



x+9=3(x-5)

We move all terms to the left:

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



We calculate terms in parentheses: -(3(x-5)), so:

3(x-5)

We multiply parentheses

3x-15

Back to the equation:

-(3x-15)



We get rid of parentheses

x-3x+15+9=0

We add all the numbers together, and all the variables

-2x+24=0

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

-2x=-24

x=-24/-2

x=+12

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