8+21=8q+21

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Solution for 8+21=8q+21 equation: 



8+21=8q+21

We move all terms to the left:

8+21-(8q+21)=0

We add all the numbers together, and all the variables

-(8q+21)+29=0

We get rid of parentheses

-8q-21+29=0

We add all the numbers together, and all the variables

-8q+8=0

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

-8q=-8

q=-8/-8

q=1

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