Question

Find The value of x in each of the following -4/-21=-20/x​

Answer 1

Answer:

X = -105

Step-by-step explanation:

-4/-21= -20/x

-4×x = -20×-21

-4x = 420

X= -420/4= -105

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Answer 2

–4/–21 = –20/x

=> 4/21 = –20/x

by cross multiplication,

=> 4x = –20 × 21

=> x = (–20×21)/4

=> x = (–20 ÷ 4) × 21

=> x = –5 × 21

=> x = –105

Answer: The value of x is –105 .

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