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16-02-2022
Mathematics

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What is the value of x?

What is the value of x class=

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16-02-2022

Answer: 28

Step-by-step explanation:

Using the similarity rule we get the equation

(10+x)/(15+42) = x/42

420 + 42x = 57x

420 = 15x

x = 420/15 = 28

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