Solve for y
y=2.15
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2y=0.3+4
Add 4 to both sides.
2y=4.3
Add 0.3 and 4 to get 4.3.
y=\frac{4.3}{2}
Divide both sides by 2.
y=\frac{43}{20}
Expand \frac{4.3}{2} by multiplying both numerator and the denominator by 10.
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Limits
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