3n-5+2n=20

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Solution for 3n-5+2n=20 equation: 


Simplifying
3n + -5 + 2n = 20

Reorder the terms:
-5 + 3n + 2n = 20

Combine like terms: 3n + 2n = 5n
-5 + 5n = 20

Solving
-5 + 5n = 20

Solving for variable 'n'.

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

Add '5' to each side of the equation.
-5 + 5 + 5n = 20 + 5

Combine like terms: -5 + 5 = 0
0 + 5n = 20 + 5
5n = 20 + 5

Combine like terms: 20 + 5 = 25
5n = 25

Divide each side by '5'.
n = 5

Simplifying
n = 5

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