120=-3x+3(-4x-10)

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Solution for 120=-3x+3(-4x-10) equation:



120=-3x+3(-4x-10)
We move all terms to the left:
120-(-3x+3(-4x-10))=0
We calculate terms in parentheses: -(-3x+3(-4x-10)), so:
-3x+3(-4x-10)
We multiply parentheses
-3x-12x-30
We add all the numbers together, and all the variables
-15x-30
Back to the equation:
-(-15x-30)
We get rid of parentheses
15x+30+120=0
We add all the numbers together, and all the variables
15x+150=0
We move all terms containing x to the left, all other terms to the right
15x=-150
x=-150/15
x=-10

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