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9x+4=x-(7-8x)
We move all terms to the left:
9x+4-(x-(7-8x))=0
We add all the numbers together, and all the variables
9x-(x-(-8x+7))+4=0
We calculate terms in parentheses: -(x-(-8x+7)), so:We get rid of parentheses
x-(-8x+7)
We get rid of parentheses
x+8x-7
We add all the numbers together, and all the variables
9x-7
Back to the equation:
-(9x-7)
9x-9x+7+4=0
We add all the numbers together, and all the variables
11!=0
There is no solution for this equation
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