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15-3x=-3(x+3)
We move all terms to the left:
15-3x-(-3(x+3))=0
We calculate terms in parentheses: -(-3(x+3)), so:We get rid of parentheses
-3(x+3)
We multiply parentheses
-3x-9
Back to the equation:
-(-3x-9)
-3x+3x+9+15=0
We add all the numbers together, and all the variables
24!=0
There is no solution for this equation
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