12n+3-15n=5n+8-7n

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Solution for 12n+3-15n=5n+8-7n equation: 



12n+3-15n=5n+8-7n

We move all terms to the left:

12n+3-15n-(5n+8-7n)=0

We add all the numbers together, and all the variables

12n-15n-(-2n+8)+3=0

We add all the numbers together, and all the variables

-3n-(-2n+8)+3=0

We get rid of parentheses

-3n+2n-8+3=0

We add all the numbers together, and all the variables

-1n-5=0

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

-n=5

n=5/-1

n=-5

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