Question

5/x+6y=13 13/x+4y=7 solve it
solve it fast

Answer 1

Answer:

$x = - \frac{29}{5} \\ \\ y = \frac{67}{29}$

Step-by-step explanation:

$given \\ \\ \frac{5}{x} + 6y = 13 < (1)\\ \\ \frac{13}{x} + 4y = 7 < (2)\\ \\ 3 \times (2) - 2 \times (1) \\ \\ ( \frac{39}{x} + 12y) - ( \frac{10}{x} + 12y) = 21 - 26 \\ \\ \frac{29}{x} = - 5 \\ \\ = > x = - \frac{29}{5} \\ \\ = > y = \frac{7 - \frac{13}{x} }{4} \\ \\ = > y = \frac{7 + \frac{65}{29} }{4} \\ \\ = > y = \frac{268}{116} = \frac{134}{58} = \frac{67}{29}$

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