161=7(3a+8)

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Solution for 161=7(3a+8) equation: 



161=7(3a+8)

We move all terms to the left:

161-(7(3a+8))=0



We calculate terms in parentheses: -(7(3a+8)), so:

7(3a+8)

We multiply parentheses

21a+56

Back to the equation:

-(21a+56)



We get rid of parentheses

-21a-56+161=0

We add all the numbers together, and all the variables

-21a+105=0

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

-21a=-105

a=-105/-21

a=+5

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