Question

T= u+v/2 for u

•u= 2t+v
•u= 2t/v
•u= 2(t-v)
•u= 2t-v

Answer 1

u=2t-v

Explanation:

t=(u+v)÷2 |×2

2t=u+v

-u=v-2t |:(-1)

u=-v+2t

u=2t-v