-15=5(3n-10)-5n

Solution for -15=5(3n-10)-5n equation:

-15=5(3n-10)-5n

We move all terms to the left:

-15-(5(3n-10)-5n)=0


We calculate terms in parentheses: -(5(3n-10)-5n), so:

5(3n-10)-5n

We add all the numbers together, and all the variables

-5n+5(3n-10)

We multiply parentheses

-5n+15n-50

We add all the numbers together, and all the variables

10n-50

Back to the equation:

-(10n-50)


We get rid of parentheses

-10n+50-15=0

We add all the numbers together, and all the variables

-10n+35=0

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

-10n=-35

n=-35/-10

n=3+1/2