Can you get a better shot of the problem?
Answer: x-10
Step-by-step explanation: 3x*2x= 10x; 3x*(-5)= -15x; 2*2x= 4x; 2*(-5)= -10
21 because you turn the 5 yards in to feet which is 15, then you add 15+4+2=21
The equation for the line to graph would be y = 47.5x + 50