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

-8x+30

Back to the equation:

-(-8x+30)



We get rid of parentheses

8x-30+120=0

We add all the numbers together, and all the variables

8x+90=0

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

8x=-90

x=-90/8

x=-11+1/4

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