Step-by-step explanation:
2x + 7 = 3 ➡ x = -2
1/2x -4 = 5 ➡ x = 1/18
10 - 2x = 5 ➡ x = 5/2
Answer:
1)=-2
2)=18
3)=2.5
16 miles I believe so if I am not a dumbo