2n+12=31

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Solution for 2n+12=31 equation: 


Simplifying
2n + 12 = 31

Reorder the terms:
12 + 2n = 31

Solving
12 + 2n = 31

Solving for variable 'n'.

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

Add '-12' to each side of the equation.
12 + -12 + 2n = 31 + -12

Combine like terms: 12 + -12 = 0
0 + 2n = 31 + -12
2n = 31 + -12

Combine like terms: 31 + -12 = 19
2n = 19

Divide each side by '2'.
n = 9.5

Simplifying
n = 9.5

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