9+7n=3n+9

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Solution for 9+7n=3n+9 equation:


Simplifying
9 + 7n = 3n + 9

Reorder the terms:
9 + 7n = 9 + 3n

Add '-9' to each side of the equation.
9 + -9 + 7n = 9 + -9 + 3n

Combine like terms: 9 + -9 = 0
0 + 7n = 9 + -9 + 3n
7n = 9 + -9 + 3n

Combine like terms: 9 + -9 = 0
7n = 0 + 3n
7n = 3n

Solving
7n = 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.
7n + -3n = 3n + -3n

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

Combine like terms: 3n + -3n = 0
4n = 0

Divide each side by '4'.
n = 0

Simplifying
n = 0

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