-20=-.8y

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Solution for -20=-.8y equation:


Simplifying
-20 = -0.8y

Solving
-20 = -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.
-20 + 0.8y = -0.8y + 0.8y

Combine like terms: -0.8y + 0.8y = 0.0
-20 + 0.8y = 0.0

Add '20' to each side of the equation.
-20 + 20 + 0.8y = 0.0 + 20

Combine like terms: -20 + 20 = 0
0 + 0.8y = 0.0 + 20
0.8y = 0.0 + 20

Combine like terms: 0.0 + 20 = 20
0.8y = 20

Divide each side by '0.8'.
y = 25

Simplifying
y = 25

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