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-4x+7=-2(2x+4)
We move all terms to the left:
-4x+7-(-2(2x+4))=0
We calculate terms in parentheses: -(-2(2x+4)), so:We get rid of parentheses
-2(2x+4)
We multiply parentheses
-4x-8
Back to the equation:
-(-4x-8)
-4x+4x+8+7=0
We add all the numbers together, and all the variables
15!=0
There is no solution for this equation
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