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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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



We calculate terms in parentheses: -((4a+56)), so:

(4a+56)

We get rid of parentheses

4a+56

Back to the equation:

-(4a+56)



We get rid of parentheses

7a-4a-56-4=0

We add all the numbers together, and all the variables

3a-60=0

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

3a=60

a=60/3

a=20

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