75=-5(3+6x)

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Solution for 75=-5(3+6x) equation:



75=-5(3+6x)
We move all terms to the left:
75-(-5(3+6x))=0
We add all the numbers together, and all the variables
-(-5(6x+3))+75=0
We calculate terms in parentheses: -(-5(6x+3)), so:
-5(6x+3)
We multiply parentheses
-30x-15
Back to the equation:
-(-30x-15)
We get rid of parentheses
30x+15+75=0
We add all the numbers together, and all the variables
30x+90=0
We move all terms containing x to the left, all other terms to the right
30x=-90
x=-90/30
x=-3

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