Question

find value of x 7/3 = 21/x pls explain full
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Answer 1

Answer:

7/3 = 21/x

Step-by-step explanation:

so we will cross multiply

7x = 21×3

x = 63/7

x= 9

Answer 2

Answer:

answer=  x= -49

Step-by-step explanation:

Firstly We transpose 21 to L.H.S.

and 21 is of dividing on R.H.S. so it get multiply on L.H.S. and also it become negative and then we solve it.

So we have this          7/3 = 21/x

                                  By Transposing

                              7/3*-21 = x                          

                                    7*-7= x

                                          x= -49

HOPE IT HELP YOU!!