13.6-0.4n+1.8-1.5n=18+1.9+5.7

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Solution for 13.6-0.4n+1.8-1.5n=18+1.9+5.7 equation: 


Simplifying
13.6 + -0.4n + 1.8 + -1.5n = 18 + 1.9 + 5.7

Reorder the terms:
13.6 + 1.8 + -0.4n + -1.5n = 18 + 1.9 + 5.7

Combine like terms: 13.6 + 1.8 = 15.4
15.4 + -0.4n + -1.5n = 18 + 1.9 + 5.7

Combine like terms: -0.4n + -1.5n = -1.9n
15.4 + -1.9n = 18 + 1.9 + 5.7

Combine like terms: 18 + 1.9 = 19.9
15.4 + -1.9n = 19.9 + 5.7

Combine like terms: 19.9 + 5.7 = 25.6
15.4 + -1.9n = 25.6

Solving
15.4 + -1.9n = 25.6

Solving for variable 'n'.

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

Add '-15.4' to each side of the equation.
15.4 + -15.4 + -1.9n = 25.6 + -15.4

Combine like terms: 15.4 + -15.4 = 0.0
0.0 + -1.9n = 25.6 + -15.4
-1.9n = 25.6 + -15.4

Combine like terms: 25.6 + -15.4 = 10.2
-1.9n = 10.2

Divide each side by '-1.9'.
n = -5.368421053

Simplifying
n = -5.368421053

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