-43=2n+7(n-1)

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Solution for -43=2n+7(n-1) equation: 



-43=2n+7(n-1)

We move all terms to the left:

-43-(2n+7(n-1))=0



We calculate terms in parentheses: -(2n+7(n-1)), so:

2n+7(n-1)

We multiply parentheses

2n+7n-7

We add all the numbers together, and all the variables

9n-7

Back to the equation:

-(9n-7)



We get rid of parentheses

-9n+7-43=0

We add all the numbers together, and all the variables

-9n-36=0

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

-9n=36

n=36/-9

n=-4

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