3n+20=6n-25

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


Simplifying
3n + 20 = 6n + -25

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

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

Solving
20 + 3n = -25 + 6n

Solving for variable 'n'.

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

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

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

Combine like terms: 6n + -6n = 0
20 + -3n = -25 + 0
20 + -3n = -25

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

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

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

Divide each side by '-3'.
n = 15

Simplifying
n = 15

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