Question

solve this problem ​

Answer 1

Answer:

u = 4

Step-by-step explanation:

Given (u - 1)/(u - 3) = 3/1

By cross multiplication

=> 3(u - 3) = 1(u - 1)

=> 3u - 9 = u - 1

=> 2u = 8

=> u = 4

Hence value of u is 4

Answer 2

Answer:

u = 4

Step-by-step explanation:

Given (u - 1)/(u - 3) = 3/1

By cross multiplication

=> 3(u - 3) = 1(u - 1)

=> 3u - 9 = u - 1

=> 2u = 8

=> u = 4

Hence value of u is 4