Question

plz solve this I will mark u as brailiest plz solve it​

Answer 1

Answer:

3z-7/-2z+9=-6/11

by cross multiplication

11(3z-7)=-6(-2z+9)

33z-77=12z-54

33z-12z=-54+77

21z= 23

z=23/21......

Answer 2

Answer:

do it with the cross multiplication.

(-2z+9) (-6) = 12z - 54

(3z-7) (11) = 33z-77

33z-77 = 12z -54

33z-12z = -54 + 77

21z = 23

z= 23/21.

HOPE ITS HELP...