10(5-n)-1=129

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Solution for 10(5-n)-1=129 equation: 



10(5-n)-1=129

We move all terms to the left:

10(5-n)-1-(129)=0

We add all the numbers together, and all the variables

10(-1n+5)-1-129=0

We add all the numbers together, and all the variables

10(-1n+5)-130=0

We multiply parentheses

-10n+50-130=0

We add all the numbers together, and all the variables

-10n-80=0

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

-10n=80

n=80/-10

n=-8

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