Answer:
y=5
Step-by-step explanation:
multiply -3 out into the y+7
you get: -3y - 21+8=-28
simplify
-3y -13 =-28
get -3y alone by adding -13 on both sides
-3y -13=-28
+13 +13
-3y=-15
divide -3y on both sides
-3y = -15
