6(-7-5n)=138

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Solution for 6(-7-5n)=138 equation: 



6(-7-5n)=138

We move all terms to the left:

6(-7-5n)-(138)=0

We add all the numbers together, and all the variables

6(-5n-7)-138=0

We multiply parentheses

-30n-42-138=0

We add all the numbers together, and all the variables

-30n-180=0

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

-30n=180

n=180/-30

n=-6

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