3n-(10n-15)=12

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Solution for 3n-(10n-15)=12 equation: 



3n-(10n-15)=12

We move all terms to the left:

3n-(10n-15)-(12)=0

We get rid of parentheses

3n-10n+15-12=0

We add all the numbers together, and all the variables

-7n+3=0

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

-7n=-3

n=-3/-7

n=3/7

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