9-5y=20

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Solution for 9-5y=20 equation: 


Simplifying
9 + -5y = 20

Solving
9 + -5y = 20

Solving for variable 'y'.

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

Add '-9' to each side of the equation.
9 + -9 + -5y = 20 + -9

Combine like terms: 9 + -9 = 0
0 + -5y = 20 + -9
-5y = 20 + -9

Combine like terms: 20 + -9 = 11
-5y = 11

Divide each side by '-5'.
y = -2.2

Simplifying
y = -2.2

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