How many solutions exist for the system of equations given below?

3a + 4b = 20

12a = 80 − 16b

Select one:

A. One solution

B. Two solutions

C. Infinitely many solutions

D. No solutions

Guest Mar 2, 2021

#1**0 **

3a + 4b = 20

12a + 16b = 80

As you can see, if you multiply the first equation by 4, they are both the same.

This means there are no solutions (D) for this system of equations :)

Logarhythm Mar 2, 2021