HELPPP PL I NEED HELP. solve each system by graphing. check by substitution. PLEASE SHOW YOUR WORK AND SHOW THE POINTS ON THE GRAPH. NEED WORK NOW OR BY TONIGHT PL HEL M

3.) y = -3x + 1
y = 2x + 6

4.) y = 1/3x + 1
y = 2x -4

5.) y=3x
y = 1/2x

6.)y = -x +1
y = -4x - 5

7.)y = -x +7
y + 2/3x +2

8.)y = x-3
y = 2x -3

9.) y = 1/2x + 4
y = 2x +1

10.) y = -x + 1
y = 2x + 10