3y-0.4=4y

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Solution for 3y-0.4=4y equation:


Simplifying
3y + -0.4 = 4y

Reorder the terms:
-0.4 + 3y = 4y

Solving
-0.4 + 3y = 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
-0.4 + 3y + -4y = 4y + -4y

Combine like terms: 3y + -4y = -1y
-0.4 + -1y = 4y + -4y

Combine like terms: 4y + -4y = 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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