8.5+9y=87

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Solution for 8.5+9y=87 equation: 


Simplifying
8.5 + 9y = 87

Solving
8.5 + 9y = 87

Solving for variable 'y'.

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

Add '-8.5' to each side of the equation.
8.5 + -8.5 + 9y = 87 + -8.5

Combine like terms: 8.5 + -8.5 = 0.0
0.0 + 9y = 87 + -8.5
9y = 87 + -8.5

Combine like terms: 87 + -8.5 = 78.5
9y = 78.5

Divide each side by '9'.
y = 8.722222222

Simplifying
y = 8.722222222

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