8x+21=55

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Solution for 8x+21=55 equation: 



8x+21=55

We move all terms to the left:

8x+21-(55)=0

We add all the numbers together, and all the variables

8x-34=0

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

8x=34

x=34/8

x=4+1/4

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