2-5=12-n

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Solution for 2-5=12-n equation:


Simplifying
2 + -5 = 12 + -1n

Combine like terms: 2 + -5 = -3
-3 = 12 + -1n

Solving
-3 = 12 + -1n

Solving for variable 'n'.

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

Add 'n' to each side of the equation.
-3 + n = 12 + -1n + n

Combine like terms: -1n + n = 0
-3 + n = 12 + 0
-3 + n = 12

Add '3' to each side of the equation.
-3 + 3 + n = 12 + 3

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

Combine like terms: 12 + 3 = 15
n = 15

Simplifying
n = 15

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