Part A- Â Â
 You can solve this pair of equations by plotting each equation and                       finding where they intersect.
First equation- Â M= Â 6/1 Â Â B= Â -4 Â Â
Second equation- Â M= Â 5/1 Â Â B= Â -3
Part B- Â Â
The solution is (1,2)
Heres a graph incase you want to see it on one