Solve for y
y = \frac{77}{23} = 3\frac{8}{23} \approx 3.347826087
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2.3y=12.4-4.7
Subtract 4.7 from both sides.
2.3y=7.7
Subtract 4.7 from 12.4 to get 7.7.
y=\frac{7.7}{2.3}
Divide both sides by 2.3.
y=\frac{77}{23}
Expand \frac{7.7}{2.3} by multiplying both numerator and the denominator by 10.
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