63=-8a-9

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Solution for 63=-8a-9 equation: 



63=-8a-9

We move all terms to the left:

63-(-8a-9)=0

We get rid of parentheses

8a+9+63=0

We add all the numbers together, and all the variables

8a+72=0

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

8a=-72

a=-72/8

a=-9

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