12n-8-5n=13

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Solution for 12n-8-5n=13 equation: 


Simplifying
12n + -8 + -5n = 13

Reorder the terms:
-8 + 12n + -5n = 13

Combine like terms: 12n + -5n = 7n
-8 + 7n = 13

Solving
-8 + 7n = 13

Solving for variable 'n'.

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

Add '8' to each side of the equation.
-8 + 8 + 7n = 13 + 8

Combine like terms: -8 + 8 = 0
0 + 7n = 13 + 8
7n = 13 + 8

Combine like terms: 13 + 8 = 21
7n = 21

Divide each side by '7'.
n = 3

Simplifying
n = 3

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