Question

B={x|7x-1 =(3) answer it if you can challenge

Answer 1

Answer:

B = { 4/7 }

Explanation :

7x-1 = 3

=> 7x = 3+1

=> 7x = 4

=> x = 4/7

Now ,

B= {x/7x-1=3 }

=> B = { 4/7 }

••••

Answer 2

I think the answer must be x=1.75