15-3n=2n+5

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Solution for 15-3n=2n+5 equation: 


Simplifying
15 + -3n = 2n + 5

Reorder the terms:
15 + -3n = 5 + 2n

Solving
15 + -3n = 5 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
15 + -3n + -2n = 5 + 2n + -2n

Combine like terms: -3n + -2n = -5n
15 + -5n = 5 + 2n + -2n

Combine like terms: 2n + -2n = 0
15 + -5n = 5 + 0
15 + -5n = 5

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

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

Combine like terms: 5 + -15 = -10
-5n = -10

Divide each side by '-5'.
n = 2

Simplifying
n = 2

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