4 ALGEBRA 1B QUESTIONS - 70PTS


HOW MANY SOLUTIONS DOES THE SYSTEM OF EQUATIONS HAVE?

1. 3x = -12y + 15 and x+4y=5
   
   
2. y= 4x+ 3 and 2y - 8x = 3
   
   

3.x + 4y =12 and 5x - 20y =60

1. y -5x = -6 and 3y - 15x = -12