contestada

What is the solution to the following system?
y = 3x
12x - 4y = 20

1. no solutions
2. (0, 20)
3. (0, 0)
4. infinite solutions

Respuesta :

Jcicc4
Multiply the first equation by -4 then solve. You are left with 20 so I think the answer is (0,20). I’m not completely sure though