-7(5-3n)=-140

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Solution for -7(5-3n)=-140 equation: 



-7(5-3n)=-140

We move all terms to the left:

-7(5-3n)-(-140)=0

We add all the numbers together, and all the variables

-7(-3n+5)-(-140)=0

We add all the numbers together, and all the variables

-7(-3n+5)+140=0

We multiply parentheses

21n-35+140=0

We add all the numbers together, and all the variables

21n+105=0

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

21n=-105

n=-105/21

n=-5

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