Homework Help: jake

Posted by math on Tuesday, February 14, 2012 at 4:04pm.

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

A. y = –15
B. y = 1/5
C. y = 75
[D. y = 15]
i dont realy know if that is correct because i think it could be negative like in a please let me know

jake - Ms. Sue, Tuesday, February 14, 2012 at 4:29pm
80 = 3y + 2y + 4 + 1.

80 = 5y + 5

80 - 5 = 5y

75 = 5y

75/5 = y

Yes. D is correct.

15 = y

Answer this Question

Related Questions

Math - Please help!!!! Solve each system graphically. Be sure to check your ...
algebra - How do I do substitution equations out of the equations in the system...
Algebra - To solve the system of equations, which expression could be ...
Algebra - I am re posting this for fear that it was overlooked earlier. I have ...
TO DRWLS/MATH HELP PLEASE - How do i solve inequalitites with three variables. I...
Math - 2x-3y=6 I did +3y 2x=6+3y 1/2 to both sides(2x=3y/2+6) x=3/2y+6 or does ...
math - what is the constant variation 3.2x+3y=6 4.3x-1=7y-1 write each lineat ...
DRWLS CAN YOU ANSWER - How do i solve inequalitites with three variables. I ...
math-algebra - how do i solve this using the substitution method 3x+2y=7 2x-3y=-...
math-calculus - 15+2y-y^2/3y^2-16y+5 (5-y)(3+y)/(3y-1)(y-5) i factor out a ...

For Further Reading

First Name:
School Subject:
Answer: