13+n-20=xy

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Solution for 13+n-20=xy equation: 


Simplifying
13 + n + -20 = xy

Reorder the terms:
13 + -20 + n = xy

Combine like terms: 13 + -20 = -7
-7 + n = xy

Solving
-7 + n = xy

Solving for variable 'n'.

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

Add '7' to each side of the equation.
-7 + 7 + n = 7 + xy

Combine like terms: -7 + 7 = 0
0 + n = 7 + xy
n = 7 + xy

Simplifying
n = 7 + xy

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