a+55=4a-77

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Solution for a+55=4a-77 equation: 



a+55=4a-77

We move all terms to the left:

a+55-(4a-77)=0

We get rid of parentheses

a-4a+77+55=0

We add all the numbers together, and all the variables

-3a+132=0

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

-3a=-132

a=-132/-3

a=+44

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