15-12=n+2

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Solution for 15-12=n+2 equation:


Simplifying
15 + -12 = n + 2

Combine like terms: 15 + -12 = 3
3 = n + 2

Reorder the terms:
3 = 2 + n

Solving
3 = 2 + 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.
3 + -1n = 2 + n + -1n

Combine like terms: n + -1n = 0
3 + -1n = 2 + 0
3 + -1n = 2

Add '-3' to each side of the equation.
3 + -3 + -1n = 2 + -3

Combine like terms: 3 + -3 = 0
0 + -1n = 2 + -3
-1n = 2 + -3

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

Divide each side by '-1'.
n = 1

Simplifying
n = 1

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