126=7(4a+6)

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Solution for 126=7(4a+6) equation: 



126=7(4a+6)

We move all terms to the left:

126-(7(4a+6))=0



We calculate terms in parentheses: -(7(4a+6)), so:

7(4a+6)

We multiply parentheses

28a+42

Back to the equation:

-(28a+42)



We get rid of parentheses

-28a-42+126=0

We add all the numbers together, and all the variables

-28a+84=0

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

-28a=-84

a=-84/-28

a=+3

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