57=3(4-3x)

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Solution for 57=3(4-3x) equation:



57=3(4-3x)
We move all terms to the left:
57-(3(4-3x))=0
We add all the numbers together, and all the variables
-(3(-3x+4))+57=0
We calculate terms in parentheses: -(3(-3x+4)), so:
3(-3x+4)
We multiply parentheses
-9x+12
Back to the equation:
-(-9x+12)
We get rid of parentheses
9x-12+57=0
We add all the numbers together, and all the variables
9x+45=0
We move all terms containing x to the left, all other terms to the right
9x=-45
x=-45/9
x=-5

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