Question

when a rational number is multiplied by 3/4 and added to 2/7,gives 5/7​

Answer 1

Answer:

rational number = 4/7

Step-by-step explanation:

let the rational number is x

x*3/4+2/7=5/7

3x/4=3/7

x=4/7

Answer 2

Answer:

4/3

Step-by-step explanation:

let rational number is x/y.

3x/4y+2/7=5/7

3x/4y=5/7-2/7

3x/4y=3/7

3x/4y=3/7

x/y=4/7