-98=7(a+3)

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Solution for -98=7(a+3) equation: 



-98=7(a+3)

We move all terms to the left:

-98-(7(a+3))=0



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

7(a+3)

We multiply parentheses

7a+21

Back to the equation:

-(7a+21)



We get rid of parentheses

-7a-21-98=0

We add all the numbers together, and all the variables

-7a-119=0

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

-7a=119

a=119/-7

a=-17

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