5n-15=n+20

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Solution for 5n-15=n+20 equation:


Simplifying
5n + -15 = n + 20

Reorder the terms:
-15 + 5n = n + 20

Reorder the terms:
-15 + 5n = 20 + n

Solving
-15 + 5n = 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.
-15 + 5n + -1n = 20 + n + -1n

Combine like terms: 5n + -1n = 4n
-15 + 4n = 20 + n + -1n

Combine like terms: n + -1n = 0
-15 + 4n = 20 + 0
-15 + 4n = 20

Add '15' to each side of the equation.
-15 + 15 + 4n = 20 + 15

Combine like terms: -15 + 15 = 0
0 + 4n = 20 + 15
4n = 20 + 15

Combine like terms: 20 + 15 = 35
4n = 35

Divide each side by '4'.
n = 8.75

Simplifying
n = 8.75

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