2a=7a-55

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Solution for 2a=7a-55 equation: 



2a=7a-55

We move all terms to the left:

2a-(7a-55)=0

We get rid of parentheses

2a-7a+55=0

We add all the numbers together, and all the variables

-5a+55=0

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

-5a=-55

a=-55/-5

a=+11

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