-4=0.2(4y-2)

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Solution for -4=0.2(4y-2) equation:


Simplifying
-4 = 0.2(4y + -2)

Reorder the terms:
-4 = 0.2(-2 + 4y)
-4 = (-2 * 0.2 + 4y * 0.2)
-4 = (-0.4 + 0.8y)

Solving
-4 = -0.4 + 0.8y

Solving for variable 'y'.

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

Add '-0.8y' to each side of the equation.
-4 + -0.8y = -0.4 + 0.8y + -0.8y

Combine like terms: 0.8y + -0.8y = 0.0
-4 + -0.8y = -0.4 + 0.0
-4 + -0.8y = -0.4

Add '4' to each side of the equation.
-4 + 4 + -0.8y = -0.4 + 4

Combine like terms: -4 + 4 = 0
0 + -0.8y = -0.4 + 4
-0.8y = -0.4 + 4

Combine like terms: -0.4 + 4 = 3.6
-0.8y = 3.6

Divide each side by '-0.8'.
y = -4.5

Simplifying
y = -4.5

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