81=q+36

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Solution for 81=q+36 equation: 



81=q+36

We move all terms to the left:

81-(q+36)=0

We get rid of parentheses

-q-36+81=0

We add all the numbers together, and all the variables

-1q+45=0

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

-q=-45

q=-45/-1

q=+45

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