Answer:
2
Step-by-step explanation:
1-5V=V+9-10V
1-5V-V-(-10V)=9
1-5V-V+10V=9
1-6V+10V=9
1+4V=9
4V=9-1
4V=8
V=8/4
V=2
v = 2
1 - 5v = v + 9 - 10v
1 + 5v = v + 9
5v - 8 = v
-8 = -4v
2 = v
