Solve for y
y=20
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0.5y=3+7
Add 7 to both sides.
0.5y=10
Add 3 and 7 to get 10.
y=\frac{10}{0.5}
Divide both sides by 0.5.
y=\frac{100}{5}
Expand \frac{10}{0.5} by multiplying both numerator and the denominator by 10.
y=20
Divide 100 by 5 to get 20.
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