Respuesta :

Answer:

3.29

Step-by-step explanation:

-7x-3(-5)=-8

-7x+15=-8

-15        -15

-7x=-23

/-7    /-7

x=3.29

Answer:

-1 , replace y by -5 then u will get 15 take to the other side -8-15=-23 then keep x alone divide both sides by -7 so x =3.28

Step-by-step explanation: