100=n+20

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Solution for 100=n+20 equation:


Simplifying
100 = n + 20

Reorder the terms:
100 = 20 + n

Solving
100 = 20 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
100 + -1n = 20 + n + -1n

Combine like terms: n + -1n = 0
100 + -1n = 20 + 0
100 + -1n = 20

Add '-100' to each side of the equation.
100 + -100 + -1n = 20 + -100

Combine like terms: 100 + -100 = 0
0 + -1n = 20 + -100
-1n = 20 + -100

Combine like terms: 20 + -100 = -80
-1n = -80

Divide each side by '-1'.
n = 80

Simplifying
n = 80

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