1) 843 + 950 + m = 3793
1793 + m = 3793
m = 200
2) 2505 - p - 750 = 1005
1755 - p = 1005
-p = -750
p = 750
1) 843 + 950 + m = 3793
1793 + m = 3793
m = 200
2) 2505 - p - 750 = 1005
1755 - p = 1005
-p = -750
p = 750