Question

What should be added to thrice the rational number −5/ 2 to get 2 /7 ? Tell fast.

Answer 1

thrice of -5/2= -15/2

let the number to be added x

–15/2+x=2/7

x=2/7+15/2=4+105/14=109/14

hope it helps pls mark as branliest if you liked it