2. Solve this equation: 80 = 3y + 2y + 4 + 1.


A. y = –15
B. y = 1/5
C. y = 75
[D. y = 15]
i don't realy know if that is correct because i think it could be negative like in a please let me know

1 answer

80 = 3y + 2y + 4 + 1.

80 = 5y + 5

80 - 5 = 5y

75 = 5y

75/5 = y

Yes. D is correct.

15 = y