Question

The sum of two rational number is 2/5 if one of them is -4/7 find the other​

Answer 1

Answer:

x+y=2/5

x=-2/7, y=?

-2/7+y=-2/5

y=-2/5+2/7

y=-4/35

Answer 2

Answer:

here

Step-by-step explanation:

x-4/7=2/5

(7x-4)/7=2/5

35x-20=14

35x=34

x=34/35

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