12+50-n=40

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Solution for 12+50-n=40 equation: 


Simplifying
12 + 50 + -1n = 40

Combine like terms: 12 + 50 = 62
62 + -1n = 40

Solving
62 + -1n = 40

Solving for variable 'n'.

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

Add '-62' to each side of the equation.
62 + -62 + -1n = 40 + -62

Combine like terms: 62 + -62 = 0
0 + -1n = 40 + -62
-1n = 40 + -62

Combine like terms: 40 + -62 = -22
-1n = -22

Divide each side by '-1'.
n = 22

Simplifying
n = 22

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