8+5n=4-7n

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Solution for 8+5n=4-7n equation: 



8+5n=4-7n

We move all terms to the left:

8+5n-(4-7n)=0

We add all the numbers together, and all the variables

5n-(-7n+4)+8=0

We get rid of parentheses

5n+7n-4+8=0

We add all the numbers together, and all the variables

12n+4=0

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

12n=-4

n=-4/12

n=-1/3

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