-31.05=17.9-8.9y

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Solution for -31.05=17.9-8.9y equation: 


Simplifying
-31.05 = 17.9 + -8.9y

Solving
-31.05 = 17.9 + -8.9y

Solving for variable 'y'.

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

Add '8.9y' to each side of the equation.
-31.05 + 8.9y = 17.9 + -8.9y + 8.9y

Combine like terms: -8.9y + 8.9y = 0.0
-31.05 + 8.9y = 17.9 + 0.0
-31.05 + 8.9y = 17.9

Add '31.05' to each side of the equation.
-31.05 + 31.05 + 8.9y = 17.9 + 31.05

Combine like terms: -31.05 + 31.05 = 0.00
0.00 + 8.9y = 17.9 + 31.05
8.9y = 17.9 + 31.05

Combine like terms: 17.9 + 31.05 = 48.95
8.9y = 48.95

Divide each side by '8.9'.
y = 5.5

Simplifying
y = 5.5

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