12-14x-15=9x-4(x+15)

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Solution for 12-14x-15=9x-4(x+15) equation: 



12-14x-15=9x-4(x+15)

We move all terms to the left:

12-14x-15-(9x-4(x+15))=0

We add all the numbers together, and all the variables

-14x-(9x-4(x+15))-3=0



We calculate terms in parentheses: -(9x-4(x+15)), so:

9x-4(x+15)

We multiply parentheses

9x-4x-60

We add all the numbers together, and all the variables

5x-60

Back to the equation:

-(5x-60)



We get rid of parentheses

-14x-5x+60-3=0

We add all the numbers together, and all the variables

-19x+57=0

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

-19x=-57

x=-57/-19

x=+3

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