Question

4/-7+2/21=2/21+4/-7 answer this ​

Answer 1

Answer:

0 is your newer becouse every thing will be cancel each other

Step-by-step explanation:

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Answer 2

Answer:

Answer is 0

Step-by-step explanation:

As we see that in both sides of RHS and LHS

the numbers are same

so, if we put RHS in LHS then there sign changes and cancel with each other.

we put = as 0 because there is no number after taking at LHS.