0.4-20+-2y-0.2y=-2

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Solution for 0.4-20+-2y-0.2y=-2 equation: 


Simplifying
0.4 + -20 + -2y + -0.2y = -2

Combine like terms: 0.4 + -20 = -19.6
-19.6 + -2y + -0.2y = -2

Combine like terms: -2y + -0.2y = -2.2y
-19.6 + -2.2y = -2

Solving
-19.6 + -2.2y = -2

Solving for variable 'y'.

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

Add '19.6' to each side of the equation.
-19.6 + 19.6 + -2.2y = -2 + 19.6

Combine like terms: -19.6 + 19.6 = 0.0
0.0 + -2.2y = -2 + 19.6
-2.2y = -2 + 19.6

Combine like terms: -2 + 19.6 = 17.6
-2.2y = 17.6

Divide each side by '-2.2'.
y = -8

Simplifying
y = -8

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