jaxqn jaxqn 24-05-2017 Mathematics contestada please help 3. How many solutions does the system of equations have? 3x = -12y + 15 and x + 4y = 5 A. One B. Two C. Infinitely many D. none 4. How many solutions does the system of equations have? y= 5x + 7 and y = 5x + 8 A. one B. two C. none D. Infinitely many 5. How many solutions does the system of equations have? x-3y = 15 and y = 1/3x - 5 A. one B. Two C. None D. Infinitely many 6. y - 5x = -6 y - 5x = -4 A. One B. Two C. Infinitely many D.none