-9=-3(n-15)

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Solution for -9=-3(n-15) equation:


Simplifying
-9 = -3(n + -15)

Reorder the terms:
-9 = -3(-15 + n)
-9 = (-15 * -3 + n * -3)
-9 = (45 + -3n)

Solving
-9 = 45 + -3n

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '3n' to each side of the equation.
-9 + 3n = 45 + -3n + 3n

Combine like terms: -3n + 3n = 0
-9 + 3n = 45 + 0
-9 + 3n = 45

Add '9' to each side of the equation.
-9 + 9 + 3n = 45 + 9

Combine like terms: -9 + 9 = 0
0 + 3n = 45 + 9
3n = 45 + 9

Combine like terms: 45 + 9 = 54
3n = 54

Divide each side by '3'.
n = 18

Simplifying
n = 18

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