100-n=60

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Solution for 100-n=60 equation: 


Simplifying
100 + -1n = 60

Solving
100 + -1n = 60

Solving for variable 'n'.

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

Add '-100' to each side of the equation.
100 + -100 + -1n = 60 + -100

Combine like terms: 100 + -100 = 0
0 + -1n = 60 + -100
-1n = 60 + -100

Combine like terms: 60 + -100 = -40
-1n = -40

Divide each side by '-1'.
n = 40

Simplifying
n = 40

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