Question

what no. should be added to-1 so as to get 5/7

Answer 1

Answer:

x + 1 = 5/7

x = 5/7 - 1

x = 5-7/7

x = -2/7

Answer 2

Answer:

12/7

Step-by-step explanation:

x+(-1)=5/7

x=5/7+1

x=5+7/7

x=12