3-n+12=17

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Solution for 3-n+12=17 equation:


Simplifying
3 + -1n + 12 = 17

Reorder the terms:
3 + 12 + -1n = 17

Combine like terms: 3 + 12 = 15
15 + -1n = 17

Solving
15 + -1n = 17

Solving for variable 'n'.

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

Add '-15' to each side of the equation.
15 + -15 + -1n = 17 + -15

Combine like terms: 15 + -15 = 0
0 + -1n = 17 + -15
-1n = 17 + -15

Combine like terms: 17 + -15 = 2
-1n = 2

Divide each side by '-1'.
n = -2

Simplifying
n = -2

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