7n-3n=3n+15

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Solution for 7n-3n=3n+15 equation: 


Simplifying
7n + -3n = 3n + 15

Combine like terms: 7n + -3n = 4n
4n = 3n + 15

Reorder the terms:
4n = 15 + 3n

Solving
4n = 15 + 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.
4n + -3n = 15 + 3n + -3n

Combine like terms: 4n + -3n = 1n
1n = 15 + 3n + -3n

Combine like terms: 3n + -3n = 0
1n = 15 + 0
1n = 15

Divide each side by '1'.
n = 15

Simplifying
n = 15

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