Question

f) x : [ - 6 supra7 ] = 13 supra 6;

Answer 1

x : ( - 6 / 7 ) = 13 / 6

x = 13 / 6 × ( - 6 ) / 7

x = - 78 / 42

x = - 13 / 7

Answer 2

Explicație pas cu pas:

x : (- 6/7 ) = 13/6

x = 13/6 × (-6/7)

x = 13/1 × (-1/7)

x = -13/7