77=65a+12

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Solution for 77=65a+12 equation: 



77=65a+12

We move all terms to the left:

77-(65a+12)=0

We get rid of parentheses

-65a-12+77=0

We add all the numbers together, and all the variables

-65a+65=0

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

-65a=-65

a=-65/-65

a=1

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