2-a=7(a+6)

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Solution for 2-a=7(a+6) equation: 



2-a=7(a+6)

We move all terms to the left:

2-a-(7(a+6))=0

We add all the numbers together, and all the variables

-1a-(7(a+6))+2=0



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

7(a+6)

We multiply parentheses

7a+42

Back to the equation:

-(7a+42)



We get rid of parentheses

-1a-7a-42+2=0

We add all the numbers together, and all the variables

-8a-40=0

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

-8a=40

a=40/-8

a=-5

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