Question

by what number should 2/3be divided to get -10/21​

Answer 1

Answer:

let the no. be x

2/3÷x = -10/21

2/3 × 1/x = -10/21

2/3x = -10/21

x= -10/21 × 3/2

Ans: -5/7

Answer 2

Answer:

-7/5

2/3÷x/y=-10/21

2 x. y = -10

3 x. 21

2y=-10

3x =21

y = -10/2

x = 21/3

y = 5

x = -7

so, the answer is-7/5