-20.9=4.1-5y

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Solution for -20.9=4.1-5y equation: 


Simplifying
-20.9 = 4.1 + -5y

Solving
-20.9 = 4.1 + -5y

Solving for variable 'y'.

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

Add '5y' to each side of the equation.
-20.9 + 5y = 4.1 + -5y + 5y

Combine like terms: -5y + 5y = 0
-20.9 + 5y = 4.1 + 0
-20.9 + 5y = 4.1

Add '20.9' to each side of the equation.
-20.9 + 20.9 + 5y = 4.1 + 20.9

Combine like terms: -20.9 + 20.9 = 0.0
0.0 + 5y = 4.1 + 20.9
5y = 4.1 + 20.9

Combine like terms: 4.1 + 20.9 = 25
5y = 25

Divide each side by '5'.
y = 5

Simplifying
y = 5

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