0.3(n-18)=0.9n

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Solution for 0.3(n-18)=0.9n equation: 


Simplifying
0.3(n + -18) = 0.9n

Reorder the terms:
0.3(-18 + n) = 0.9n
(-18 * 0.3 + n * 0.3) = 0.9n
(-5.4 + 0.3n) = 0.9n

Solving
-5.4 + 0.3n = 0.9n

Solving for variable 'n'.

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

Add '-0.9n' to each side of the equation.
-5.4 + 0.3n + -0.9n = 0.9n + -0.9n

Combine like terms: 0.3n + -0.9n = -0.6n
-5.4 + -0.6n = 0.9n + -0.9n

Combine like terms: 0.9n + -0.9n = 0.0
-5.4 + -0.6n = 0.0

Add '5.4' to each side of the equation.
-5.4 + 5.4 + -0.6n = 0.0 + 5.4

Combine like terms: -5.4 + 5.4 = 0.0
0.0 + -0.6n = 0.0 + 5.4
-0.6n = 0.0 + 5.4

Combine like terms: 0.0 + 5.4 = 5.4
-0.6n = 5.4

Divide each side by '-0.6'.
n = -9

Simplifying
n = -9

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