6n-25=3n+20

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Solution for 6n-25=3n+20 equation:


Simplifying
6n + -25 = 3n + 20

Reorder the terms:
-25 + 6n = 3n + 20

Reorder the terms:
-25 + 6n = 20 + 3n

Solving
-25 + 6n = 20 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
-25 + 6n + -3n = 20 + 3n + -3n

Combine like terms: 6n + -3n = 3n
-25 + 3n = 20 + 3n + -3n

Combine like terms: 3n + -3n = 0
-25 + 3n = 20 + 0
-25 + 3n = 20

Add '25' to each side of the equation.
-25 + 25 + 3n = 20 + 25

Combine like terms: -25 + 25 = 0
0 + 3n = 20 + 25
3n = 20 + 25

Combine like terms: 20 + 25 = 45
3n = 45

Divide each side by '3'.
n = 15

Simplifying
n = 15

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