80-5y=9

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Solution for 80-5y=9 equation: 


Simplifying
80 + -5y = 9

Solving
80 + -5y = 9

Solving for variable 'y'.

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

Add '-80' to each side of the equation.
80 + -80 + -5y = 9 + -80

Combine like terms: 80 + -80 = 0
0 + -5y = 9 + -80
-5y = 9 + -80

Combine like terms: 9 + -80 = -71
-5y = -71

Divide each side by '-5'.
y = 14.2

Simplifying
y = 14.2

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