Question

find the
value of x in the following
5upon-7 and x upon 21
​

Answer 1

Answer:

5/-7=X/21

(5×21)/-7. =X

X= -(5×3)

x= -15

Step-by-step explanation:

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Answer 2

5upon-7 and x upon 21

by cross multiplication method

5x21=x×-7

105=-7x

x=105÷(-7)

x=-15(answer)