0.4n-18=3n-16-0.8n

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Solution for 0.4n-18=3n-16-0.8n equation:


Simplifying
0.4n + -18 = 3n + -16 + -0.8n

Reorder the terms:
-18 + 0.4n = 3n + -16 + -0.8n

Reorder the terms:
-18 + 0.4n = -16 + 3n + -0.8n

Combine like terms: 3n + -0.8n = 2.2n
-18 + 0.4n = -16 + 2.2n

Solving
-18 + 0.4n = -16 + 2.2n

Solving for variable 'n'.

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

Add '-2.2n' to each side of the equation.
-18 + 0.4n + -2.2n = -16 + 2.2n + -2.2n

Combine like terms: 0.4n + -2.2n = -1.8n
-18 + -1.8n = -16 + 2.2n + -2.2n

Combine like terms: 2.2n + -2.2n = 0.0
-18 + -1.8n = -16 + 0.0
-18 + -1.8n = -16

Add '18' to each side of the equation.
-18 + 18 + -1.8n = -16 + 18

Combine like terms: -18 + 18 = 0
0 + -1.8n = -16 + 18
-1.8n = -16 + 18

Combine like terms: -16 + 18 = 2
-1.8n = 2

Divide each side by '-1.8'.
n = -1.111111111

Simplifying
n = -1.111111111

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