-18=-9-3n

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Solution for -18=-9-3n equation:


Simplifying
-18 = -9 + -3n

Solving
-18 = -9 + -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.
-18 + 3n = -9 + -3n + 3n

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

Add '18' to each side of the equation.
-18 + 18 + 3n = -9 + 18

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

Combine like terms: -9 + 18 = 9
3n = 9

Divide each side by '3'.
n = 3

Simplifying
n = 3

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