-30=3(x-1)

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Solution for -30=3(x-1) equation:



-30=3(x-1)
We move all terms to the left:
-30-(3(x-1))=0
We calculate terms in parentheses: -(3(x-1)), so:
3(x-1)
We multiply parentheses
3x-3
Back to the equation:
-(3x-3)
We get rid of parentheses
-3x+3-30=0
We add all the numbers together, and all the variables
-3x-27=0
We move all terms containing x to the left, all other terms to the right
-3x=27
x=27/-3
x=-9

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