75=3(-x-5)

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Solution for 75=3(-x-5) equation:



75=3(-x-5)
We move all terms to the left:
75-(3(-x-5))=0
We add all the numbers together, and all the variables
-(3(-1x-5))+75=0
We calculate terms in parentheses: -(3(-1x-5)), so:
3(-1x-5)
We multiply parentheses
-3x-15
Back to the equation:
-(-3x-15)
We get rid of parentheses
3x+15+75=0
We add all the numbers together, and all the variables
3x+90=0
We move all terms containing x to the left, all other terms to the right
3x=-90
x=-90/3
x=-30

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