5n-7(4n-5)=-126

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Solution for 5n-7(4n-5)=-126 equation: 



5n-7(4n-5)=-126

We move all terms to the left:

5n-7(4n-5)-(-126)=0

We add all the numbers together, and all the variables

5n-7(4n-5)+126=0

We multiply parentheses

5n-28n+35+126=0

We add all the numbers together, and all the variables

-23n+161=0

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

-23n=-161

n=-161/-23

n=+7

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