81-8a=7a+16

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Solution for 81-8a=7a+16 equation: 



81-8a=7a+16

We move all terms to the left:

81-8a-(7a+16)=0

We get rid of parentheses

-8a-7a-16+81=0

We add all the numbers together, and all the variables

-15a+65=0

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

-15a=-65

a=-65/-15

a=4+1/3

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