(7a-4)+(4a+56)=180

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Solution for (7a-4)+(4a+56)=180 equation: 



(7a-4)+(4a+56)=180

We move all terms to the left:

(7a-4)+(4a+56)-(180)=0

We get rid of parentheses

7a+4a-4+56-180=0

We add all the numbers together, and all the variables

11a-128=0

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

11a=128

a=128/11

a=11+7/11

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