8x+21=64

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Solution for 8x+21=64 equation: 



8x+21=64

We move all terms to the left:

8x+21-(64)=0

We add all the numbers together, and all the variables

8x-43=0

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

8x=43

x=43/8

x=5+3/8

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