5n-20=4n

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Solution for 5n-20=4n equation:


Simplifying
5n + -20 = 4n

Reorder the terms:
-20 + 5n = 4n

Solving
-20 + 5n = 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
-20 + 5n + -4n = 4n + -4n

Combine like terms: 5n + -4n = 1n
-20 + 1n = 4n + -4n

Combine like terms: 4n + -4n = 0
-20 + 1n = 0

Add '20' to each side of the equation.
-20 + 20 + 1n = 0 + 20

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

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

Divide each side by '1'.
n = 20

Simplifying
n = 20

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