x+21,x=8

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Solution for x+21,x=8 equation: 



x+21.x=8

We move all terms to the left:

x+21.x-(8)=0

We add all the numbers together, and all the variables

22x-8=0

We move all terms containing x to the left, all other terms to the right

22x=8

x=8/22

x=4/11

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