-8=8(x-9)-x

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Solution for -8=8(x-9)-x equation:



-8=8(x-9)-x
We move all terms to the left:
-8-(8(x-9)-x)=0
We calculate terms in parentheses: -(8(x-9)-x), so:
8(x-9)-x
We add all the numbers together, and all the variables
-1x+8(x-9)
We multiply parentheses
-1x+8x-72
We add all the numbers together, and all the variables
7x-72
Back to the equation:
-(7x-72)
We get rid of parentheses
-7x+72-8=0
We add all the numbers together, and all the variables
-7x+64=0
We move all terms containing x to the left, all other terms to the right
-7x=-64
x=-64/-7
x=9+1/7

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