4n-9n=20

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Solution for 4n-9n=20 equation: 


Simplifying
4n + -9n = 20

Combine like terms: 4n + -9n = -5n
-5n = 20

Solving
-5n = 20

Solving for variable 'n'.

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

Divide each side by '-5'.
n = -4

Simplifying
n = -4

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