15=5(n-8)

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Solution for 15=5(n-8) equation:


Simplifying
15 = 5(n + -8)

Reorder the terms:
15 = 5(-8 + n)
15 = (-8 * 5 + n * 5)
15 = (-40 + 5n)

Solving
15 = -40 + 5n

Solving for variable 'n'.

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

Add '-5n' to each side of the equation.
15 + -5n = -40 + 5n + -5n

Combine like terms: 5n + -5n = 0
15 + -5n = -40 + 0
15 + -5n = -40

Add '-15' to each side of the equation.
15 + -15 + -5n = -40 + -15

Combine like terms: 15 + -15 = 0
0 + -5n = -40 + -15
-5n = -40 + -15

Combine like terms: -40 + -15 = -55
-5n = -55

Divide each side by '-5'.
n = 11

Simplifying
n = 11

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