6n+15-n=55

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Solution for 6n+15-n=55 equation:


Simplifying
6n + 15 + -1n = 55

Reorder the terms:
15 + 6n + -1n = 55

Combine like terms: 6n + -1n = 5n
15 + 5n = 55

Solving
15 + 5n = 55

Solving for variable 'n'.

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

Add '-15' to each side of the equation.
15 + -15 + 5n = 55 + -15

Combine like terms: 15 + -15 = 0
0 + 5n = 55 + -15
5n = 55 + -15

Combine like terms: 55 + -15 = 40
5n = 40

Divide each side by '5'.
n = 8

Simplifying
n = 8

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