22-n=15

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Solution for 22-n=15 equation: 


Simplifying
22 + -1n = 15

Solving
22 + -1n = 15

Solving for variable 'n'.

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

Add '-22' to each side of the equation.
22 + -22 + -1n = 15 + -22

Combine like terms: 22 + -22 = 0
0 + -1n = 15 + -22
-1n = 15 + -22

Combine like terms: 15 + -22 = -7
-1n = -7

Divide each side by '-1'.
n = 7

Simplifying
n = 7

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