-n-15=-4(n+9)

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Solution for -n-15=-4(n+9) equation:


-n-15=-4(n+9)

We simplify the equation to the form, which is simple to understand 
-n-15=-4(n+9)

Reorder the terms in parentheses
-n-15=+(-4n-36)

Remove unnecessary parentheses
-n-15=-4n-36

We move all terms containing n to the left and all other terms to the right. 
-1n+4n=-36+15

We simplify left and right side of the equation. 
+3n=-21

We divide both sides of the equation by 3 to get n. 
n=-7

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