y-0.4=2y

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Solution for y-0.4=2y equation:


Simplifying
y + -0.4 = 2y

Reorder the terms:
-0.4 + y = 2y

Solving
-0.4 + y = 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
-0.4 + y + -2y = 2y + -2y

Combine like terms: y + -2y = -1y
-0.4 + -1y = 2y + -2y

Combine like terms: 2y + -2y = 0
-0.4 + -1y = 0

Add '0.4' to each side of the equation.
-0.4 + 0.4 + -1y = 0 + 0.4

Combine like terms: -0.4 + 0.4 = 0.0
0.0 + -1y = 0 + 0.4
-1y = 0 + 0.4

Combine like terms: 0 + 0.4 = 0.4
-1y = 0.4

Divide each side by '-1'.
y = -0.4

Simplifying
y = -0.4

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