Question

Please questions give me answers

Answer 1

I have attached the answer and ignore the blackpen remark. I think it is visible

Answer 2

Hey mate here we go

$\frac{4}{x} + 5y = 7 \\ x = - \frac{4}{3} \\ \frac{4}{( - \frac{4}{3}) } + 5y = 7 \\ - \frac{4 \times 3}{4} + 5y = 7 \\ - 3 + 5y = 7 \\ 5y = 7 + 3 \\ 5y = 10 \\ y = \frac{10}{5} \\ y = 2$

I hope this will helps you

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