-20+9y+10n-4y-3n-20=

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Solution for -20+9y+10n-4y-3n-20= equation:


Simplifying
-20 + 9y + 10n + -4y + -3n + -20 = 0

Reorder the terms:
-20 + -20 + 10n + -3n + 9y + -4y = 0

Combine like terms: -20 + -20 = -40
-40 + 10n + -3n + 9y + -4y = 0

Combine like terms: 10n + -3n = 7n
-40 + 7n + 9y + -4y = 0

Combine like terms: 9y + -4y = 5y
-40 + 7n + 5y = 0

Solving
-40 + 7n + 5y = 0

Solving for variable 'n'.

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

Add '40' to each side of the equation.
-40 + 7n + 40 + 5y = 0 + 40

Reorder the terms:
-40 + 40 + 7n + 5y = 0 + 40

Combine like terms: -40 + 40 = 0
0 + 7n + 5y = 0 + 40
7n + 5y = 0 + 40

Combine like terms: 0 + 40 = 40
7n + 5y = 40

Add '-5y' to each side of the equation.
7n + 5y + -5y = 40 + -5y

Combine like terms: 5y + -5y = 0
7n + 0 = 40 + -5y
7n = 40 + -5y

Divide each side by '7'.
n = 5.714285714 + -0.7142857143y

Simplifying
n = 5.714285714 + -0.7142857143y

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