13-5n+n=140

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Solution for 13-5n+n=140 equation: 


Simplifying
13 + -5n + n = 140

Combine like terms: -5n + n = -4n
13 + -4n = 140

Solving
13 + -4n = 140

Solving for variable 'n'.

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

Add '-13' to each side of the equation.
13 + -13 + -4n = 140 + -13

Combine like terms: 13 + -13 = 0
0 + -4n = 140 + -13
-4n = 140 + -13

Combine like terms: 140 + -13 = 127
-4n = 127

Divide each side by '-4'.
n = -31.75

Simplifying
n = -31.75

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