Asked by Jasy

3x + y=5
15x + 5y=2
Answered by R_scott
converting to slope-intercept form

3x + y = 5 ... y = -3x + 5

15x + 5y = 2 ... 5y = -15x + 2 ... y = -3x + 2/5

these are parallel lines (same slope, different intercepts)

they never intersect, so, no unique solution