9n+115=12n+25

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Solution for 9n+115=12n+25 equation:


Simplifying
9n + 115 = 12n + 25

Reorder the terms:
115 + 9n = 12n + 25

Reorder the terms:
115 + 9n = 25 + 12n

Solving
115 + 9n = 25 + 12n

Solving for variable 'n'.

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

Add '-12n' to each side of the equation.
115 + 9n + -12n = 25 + 12n + -12n

Combine like terms: 9n + -12n = -3n
115 + -3n = 25 + 12n + -12n

Combine like terms: 12n + -12n = 0
115 + -3n = 25 + 0
115 + -3n = 25

Add '-115' to each side of the equation.
115 + -115 + -3n = 25 + -115

Combine like terms: 115 + -115 = 0
0 + -3n = 25 + -115
-3n = 25 + -115

Combine like terms: 25 + -115 = -90
-3n = -90

Divide each side by '-3'.
n = 30

Simplifying
n = 30

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