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
Explanation:
3.29
-7x-3(-5)=-8
-7x+15=-8
-15 -15
-7x=-23
/-7 /-7
x=3.29
3.6m questions
4.6m answers