Question

1/x+1/y=10 and y=2 so value of x​

Answer 1

${\huge{\bold{\mathcal{\red{SOLUTION}}}}}$

$\frac{1}{x} + \frac{1}{y} = 10 \\since \: \ y = 2 \\ now \: \\ \frac{1}{x} + \frac{1}{2} = 10 \\ \frac{2 + x}{2x} = 10 \\ 2 + x = 20x \\ 2 = 20x - x \\ 19x = 2 \\ x = \frac{2}{19}$