-9u + 3u = 9 + 9
-6u = 18
u = -18/6
u = -3
Thus, u is equal to -3
First I am going to find the slope

so the slope is 3 and now I am going to put it into point slope form
y-y⬇️1 = 3(x - x⬇️1)
so using (1,3)
y - 3 = 3(x - 1)
in slope intercept (Y = mx + b) for it, it would be
Answer:
Step-by-step explanation:
3×70° 45' 10''-2×40°25'10''
=210° 135'30''-80° 50'20''
=130°85'10''
=131°25'10''