The Answer is 2x + Y - 6 =0
Step-by-step explanation:
Can you put an photo up like what is it from on edge?
Sum of the first two is:
-3x+5+7-4x = -7x+12
That subtracted from 5x+17:
5x+17-(-7x+12) = 12x+5
omi god..... I used http://convert-to.com/202/speed-units.html and got
1.64 maybe if u try it would be different idk