3n+15=n+25

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Solution for 3n+15=n+25 equation:


Simplifying
3n + 15 = n + 25

Reorder the terms:
15 + 3n = n + 25

Reorder the terms:
15 + 3n = 25 + n

Solving
15 + 3n = 25 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
15 + 3n + -1n = 25 + n + -1n

Combine like terms: 3n + -1n = 2n
15 + 2n = 25 + n + -1n

Combine like terms: n + -1n = 0
15 + 2n = 25 + 0
15 + 2n = 25

Add '-15' to each side of the equation.
15 + -15 + 2n = 25 + -15

Combine like terms: 15 + -15 = 0
0 + 2n = 25 + -15
2n = 25 + -15

Combine like terms: 25 + -15 = 10
2n = 10

Divide each side by '2'.
n = 5

Simplifying
n = 5

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