120=-5x-15+3(x-5)

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Solution for 120=-5x-15+3(x-5) equation: 



120=-5x-15+3(x-5)

We move all terms to the left:

120-(-5x-15+3(x-5))=0



We calculate terms in parentheses: -(-5x-15+3(x-5)), so:

-5x-15+3(x-5)

determiningTheFunctionDomain
-5x+3(x-5)-15

We multiply parentheses

-5x+3x-15-15

We add all the numbers together, and all the variables

-2x-30

Back to the equation:

-(-2x-30)



We get rid of parentheses

2x+30+120=0

We add all the numbers together, and all the variables

2x+150=0

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

2x=-150

x=-150/2

x=-75

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