21=8x+3-5

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Solution for 21=8x+3-5 equation:



21=8x+3-5
We move all terms to the left:
21-(8x+3-5)=0
We add all the numbers together, and all the variables
-(8x-2)+21=0
We get rid of parentheses
-8x+2+21=0
We add all the numbers together, and all the variables
-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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