Question

4 supra 7 : x = 1 supra 2

Answer 1

[tex] \frac{4}{7} : x = \frac{1}{2} ;
 \frac{4}{7} * \frac{1}{x} = \frac{1}{2} ;
 \frac{4}{7x} = \frac{1}{2} ;
 DVA: 7x \neq 0; x \neq 0 [/tex]
7x = 8
x = $\frac{8}{7}$