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-15x+12=3(-5x+4)
We move all terms to the left:
-15x+12-(3(-5x+4))=0
We calculate terms in parentheses: -(3(-5x+4)), so:We get rid of parentheses
3(-5x+4)
We multiply parentheses
-15x+12
Back to the equation:
-(-15x+12)
-15x+15x-12+12=0
We add all the numbers together, and all the variables
=0
x=0/1
x=0
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