Question

please say my answer I will gave you to thanks​

Answer 1

according to question. let the required no be x

(-4/7)^-1 ÷ x =. (-8/7)^-1

= (-7/4)÷x = (-7/8)

= (-7/4) × 1/x = (-7/8)

°= 1/x= (-7/8) ÷ (-7/4 )

1/x =( -7/8) ×(-4/7)

1/x= 1/2

hence x= 2