3(n+7)+4(n-6)=-45

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Solution for 3(n+7)+4(n-6)=-45 equation: 



3(n+7)+4(n-6)=-45

We move all terms to the left:

3(n+7)+4(n-6)-(-45)=0

We add all the numbers together, and all the variables

3(n+7)+4(n-6)+45=0

We multiply parentheses

3n+4n+21-24+45=0

We add all the numbers together, and all the variables

7n+42=0

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

7n=-42

n=-42/7

n=-6

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