23=x-9;x=15

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Solution for 23=x-9;x=15 equation:



23=x-9x=15
We move all terms to the left:
23-(x-9x)=0
We add all the numbers together, and all the variables
-(-8x)+23=0
We get rid of parentheses
8x+23=0
We move all terms containing x to the left, all other terms to the right
8x=-23
x=-23/8
x=-2+7/8

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