180=-4(5n-5)

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Solution for 180=-4(5n-5) equation:


Simplifying
180 = -4(5n + -5)

Reorder the terms:
180 = -4(-5 + 5n)
180 = (-5 * -4 + 5n * -4)
180 = (20 + -20n)

Solving
180 = 20 + -20n

Solving for variable 'n'.

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

Add '20n' to each side of the equation.
180 + 20n = 20 + -20n + 20n

Combine like terms: -20n + 20n = 0
180 + 20n = 20 + 0
180 + 20n = 20

Add '-180' to each side of the equation.
180 + -180 + 20n = 20 + -180

Combine like terms: 180 + -180 = 0
0 + 20n = 20 + -180
20n = 20 + -180

Combine like terms: 20 + -180 = -160
20n = -160

Divide each side by '20'.
n = -8

Simplifying
n = -8

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