69a-70=12(7a+40)

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Solution for 69a-70=12(7a+40) equation: 



69a-70=12(7a+40)

We move all terms to the left:

69a-70-(12(7a+40))=0



We calculate terms in parentheses: -(12(7a+40)), so:

12(7a+40)

We multiply parentheses

84a+480

Back to the equation:

-(84a+480)



We get rid of parentheses

69a-84a-480-70=0

We add all the numbers together, and all the variables

-15a-550=0

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

-15a=550

a=550/-15

a=-36+2/3

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