Solve for y
y = \frac{44}{9} = 4\frac{8}{9} \approx 4.888888889
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6y-31+3y=13
Add 3y to both sides.
9y-31=13
Combine 6y and 3y to get 9y.
9y=13+31
Add 31 to both sides.
9y=44
Add 13 and 31 to get 44.
y=\frac{44}{9}
Divide both sides by 9.
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