3n+9=6N-18

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Solution for 3n+9=6N-18 equation: 


Simplifying
3n + 9 = 6N + -18

Reorder the terms:
9 + 3n = 6N + -18

Reorder the terms:
9 + 3n = -18 + 6N

Solving
9 + 3n = -18 + 6N

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 + 3n = -18 + -9 + 6N

Combine like terms: 9 + -9 = 0
0 + 3n = -18 + -9 + 6N
3n = -18 + -9 + 6N

Combine like terms: -18 + -9 = -27
3n = -27 + 6N

Divide each side by '3'.
n = -9 + 2N

Simplifying
n = -9 + 2N

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