-90=-5(8+2n)

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Solution for -90=-5(8+2n) equation:


Simplifying
-90 = -5(8 + 2n)
-90 = (8 * -5 + 2n * -5)
-90 = (-40 + -10n)

Solving
-90 = -40 + -10n

Solving for variable 'n'.

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

Add '10n' to each side of the equation.
-90 + 10n = -40 + -10n + 10n

Combine like terms: -10n + 10n = 0
-90 + 10n = -40 + 0
-90 + 10n = -40

Add '90' to each side of the equation.
-90 + 90 + 10n = -40 + 90

Combine like terms: -90 + 90 = 0
0 + 10n = -40 + 90
10n = -40 + 90

Combine like terms: -40 + 90 = 50
10n = 50

Divide each side by '10'.
n = 5

Simplifying
n = 5

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