Math, asked by momsondad06, 9 months ago

у+6 upon 4 + y-3 upon 5 = 5y-4 upon 8

Answers

Answered by Anonymous
3

Answer:

 \frac{y + 6}{4}  +  \frac{y - 3}{5}  =  \frac{5y - 4}{8} \\  \frac{5y + 30 + 4y - 12}{20}  =  \frac{5y - 4}{8}  \\  \frac{9y + 18}{20}  =  \frac{5y - 4}{8}  \\ 72y + 154 = 100y - 80 \\ 154 + 80 = 100y - 72y \\ 28y = 234 \\ y =  \frac{234}{28}  \\ y =  \frac{117}{14}

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