8.1-y=20

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Solution for 8.1-y=20 equation: 


Simplifying
8.1 + -1y = 20

Solving
8.1 + -1y = 20

Solving for variable 'y'.

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

Add '-8.1' to each side of the equation.
8.1 + -8.1 + -1y = 20 + -8.1

Combine like terms: 8.1 + -8.1 = 0.0
0.0 + -1y = 20 + -8.1
-1y = 20 + -8.1

Combine like terms: 20 + -8.1 = 11.9
-1y = 11.9

Divide each side by '-1'.
y = -11.9

Simplifying
y = -11.9

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