-18=5n+4n

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Solution for -18=5n+4n equation:


Simplifying
-18 = 5n + 4n

Combine like terms: 5n + 4n = 9n
-18 = 9n

Solving
-18 = 9n

Solving for variable 'n'.

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

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

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

Add '18' to each side of the equation.
-18 + 18 + -9n = 0 + 18

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

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

Divide each side by '-9'.
n = -2

Simplifying
n = -2

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