Solve for y : 4y3-2y5-7=0

4y3-2y5-7=0 4y3-2y5=7 4y(5)-2y(3)15=7 20y-6y15=7 14y15=7 14y=7(15) 2y=15 y=152

Solve for y : 4y3-2y5-7=0

4y3-2y5-7=0 4y3-2y5=7 4y(5)-2y(3)15=7 20y-6y15=7 14y15=7 14y=7(15) 2y=15 y=152

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Solve for y : $\frac{4 y}{3} - \frac{2 y}{5} - 7 = 0$

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$y = \frac{15}{2}$

$y = \frac{5}{2}$

answer is A.

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$\frac{4 y}{3} - \frac{2 y}{5} - 7 = 0 \frac{4 y}{3} - \frac{2 y}{5} = 7 \frac{4 y (5) - 2 y (3)}{15} = 7 \frac{20 y - 6 y}{15} = 7 \frac{14 y}{15} = 7 14 y = 7 (15) 2 y = 15 y = \frac{15}{2}$

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Solve for y : $\frac{4 y}{3} - \frac{2 y}{5} - 7 = 0$