15(n+1)=5(n-1)-7

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Solution for 15(n+1)=5(n-1)-7 equation: 



15(n+1)=5(n-1)-7

We move all terms to the left:

15(n+1)-(5(n-1)-7)=0

We multiply parentheses

15n-(5(n-1)-7)+15=0



We calculate terms in parentheses: -(5(n-1)-7), so:

5(n-1)-7

We multiply parentheses

5n-5-7

We add all the numbers together, and all the variables

5n-12

Back to the equation:

-(5n-12)



We get rid of parentheses

15n-5n+12+15=0

We add all the numbers together, and all the variables

10n+27=0

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

10n=-27

n=-27/10

n=-2+7/10

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