12n+3n-9n-5n=20

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Solution for 12n+3n-9n-5n=20 equation: 


Simplifying
12n + 3n + -9n + -5n = 20

Combine like terms: 12n + 3n = 15n
15n + -9n + -5n = 20

Combine like terms: 15n + -9n = 6n
6n + -5n = 20

Combine like terms: 6n + -5n = 1n
1n = 20

Solving
1n = 20

Solving for variable 'n'.

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

Divide each side by '1'.
n = 20

Simplifying
n = 20

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