Question

y+6+Y-3 - 54-4 4 5 8.​

Answer 1

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Answer 2

Answer:

$\frac{y + 6}{4} + \frac{y - 3}{5} = \frac{5y - 4}{8}$

$\frac{5(y+6) + 4(y - 3)}{20} = \frac{5y - 4}{8}$

$\frac{5y +30 + 4y 12}{20} = \frac{5y - 4}{8}$

$\frac{9y + 18}{20} = \frac{5y - 4}{8}$

$cross \: multiplying \: lhs \: and \: rhs$

$8(9y + 18) 20 (5y - 4)$

$72y + 144 = 100y - 80$

$100y - 72y = 144 + 80$

$28y = 224$

$y = \frac{224}{28} = \frac{32}{4}$

$y = 8$