8(n-3)+7n=-129

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Solution for 8(n-3)+7n=-129 equation: 



8(n-3)+7n=-129

We move all terms to the left:

8(n-3)+7n-(-129)=0

We add all the numbers together, and all the variables

7n+8(n-3)+129=0

We multiply parentheses

7n+8n-24+129=0

We add all the numbers together, and all the variables

15n+105=0

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

15n=-105

n=-105/15

n=-7

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