Answer:
Step-by-step explanation:
3 + 5 = 8 which is a monomial
a binomial has 2 terms; example, 3y + 5
-20 =r
4r - 8 = 5r + 12
Subtract 4r from each side
4r -4r- 8 = 5r + 12-4r
-8 = r+12
Subtract 12 from each side
-8-12 = r+12-12