3n+9+4n=2

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Solution for 3n+9+4n=2 equation: 


Simplifying
3n + 9 + 4n = 2

Reorder the terms:
9 + 3n + 4n = 2

Combine like terms: 3n + 4n = 7n
9 + 7n = 2

Solving
9 + 7n = 2

Solving for variable 'n'.

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

Add '-9' to each side of the equation.
9 + -9 + 7n = 2 + -9

Combine like terms: 9 + -9 = 0
0 + 7n = 2 + -9
7n = 2 + -9

Combine like terms: 2 + -9 = -7
7n = -7

Divide each side by '7'.
n = -1

Simplifying
n = -1

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