-1.8-y=0.4

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Solution for -1.8-y=0.4 equation: 


Simplifying
-1.8 + -1y = 0.4

Solving
-1.8 + -1y = 0.4

Solving for variable 'y'.

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

Add '1.8' to each side of the equation.
-1.8 + 1.8 + -1y = 0.4 + 1.8

Combine like terms: -1.8 + 1.8 = 0.0
0.0 + -1y = 0.4 + 1.8
-1y = 0.4 + 1.8

Combine like terms: 0.4 + 1.8 = 2.2
-1y = 2.2

Divide each side by '-1'.
y = -2.2

Simplifying
y = -2.2

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