Question

How many soution does this system have ?
Y=3/4x-5
-3x+4y=-20

Answer 1

There is no solution

Explanation:

1. y = 3/4x - 5

2. -3x + 4y = -20

-3x + 4(3/4x - 5) = -20

-3x + 3x - 20 = - 20

-20 = -20