5.5=20-4.5y

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Solution for 5.5=20-4.5y equation: 


Simplifying
5.5 = 20 + -4.5y

Solving
5.5 = 20 + -4.5y

Solving for variable 'y'.

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

Add '4.5y' to each side of the equation.
5.5 + 4.5y = 20 + -4.5y + 4.5y

Combine like terms: -4.5y + 4.5y = 0.0
5.5 + 4.5y = 20 + 0.0
5.5 + 4.5y = 20

Add '-5.5' to each side of the equation.
5.5 + -5.5 + 4.5y = 20 + -5.5

Combine like terms: 5.5 + -5.5 = 0.0
0.0 + 4.5y = 20 + -5.5
4.5y = 20 + -5.5

Combine like terms: 20 + -5.5 = 14.5
4.5y = 14.5

Divide each side by '4.5'.
y = 3.222222222

Simplifying
y = 3.222222222

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