-n+0.4n+1.8=-4.2

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Solution for -n+0.4n+1.8=-4.2 equation: 


Simplifying
-1n + 0.4n + 1.8 = -4.2

Reorder the terms:
1.8 + -1n + 0.4n = -4.2

Combine like terms: -1n + 0.4n = -0.6n
1.8 + -0.6n = -4.2

Solving
1.8 + -0.6n = -4.2

Solving for variable 'n'.

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

Add '-1.8' to each side of the equation.
1.8 + -1.8 + -0.6n = -4.2 + -1.8

Combine like terms: 1.8 + -1.8 = 0.0
0.0 + -0.6n = -4.2 + -1.8
-0.6n = -4.2 + -1.8

Combine like terms: -4.2 + -1.8 = -6
-0.6n = -6

Divide each side by '-0.6'.
n = 10

Simplifying
n = 10

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