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8x+7=8(x-1)+9
We move all terms to the left:
8x+7-(8(x-1)+9)=0
We calculate terms in parentheses: -(8(x-1)+9), so:We get rid of parentheses
8(x-1)+9
We multiply parentheses
8x-8+9
We add all the numbers together, and all the variables
8x+1
Back to the equation:
-(8x+1)
8x-8x-1+7=0
We add all the numbers together, and all the variables
6!=0
There is no solution for this equation
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