-90-20n=10(8n-9)

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Solution for -90-20n=10(8n-9) equation:


Simplifying
-90 + -20n = 10(8n + -9)

Reorder the terms:
-90 + -20n = 10(-9 + 8n)
-90 + -20n = (-9 * 10 + 8n * 10)
-90 + -20n = (-90 + 80n)

Add '90' to each side of the equation.
-90 + 90 + -20n = -90 + 90 + 80n

Combine like terms: -90 + 90 = 0
0 + -20n = -90 + 90 + 80n
-20n = -90 + 90 + 80n

Combine like terms: -90 + 90 = 0
-20n = 0 + 80n
-20n = 80n

Solving
-20n = 80n

Solving for variable 'n'.

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

Add '-80n' to each side of the equation.
-20n + -80n = 80n + -80n

Combine like terms: -20n + -80n = -100n
-100n = 80n + -80n

Combine like terms: 80n + -80n = 0
-100n = 0

Divide each side by '-100'.
n = 0.0

Simplifying
n = 0.0

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