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Can anyone help me solving this question

Can anyone help me solving this question-example-1
User Dirk V
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1 Answer

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  • the answer is written in the picture above, the other attachment is explaining the cross method
  • checking is what ensures that the answer (value for x) you got is correct.
Can anyone help me solving this question-example-1
Can anyone help me solving this question-example-2
User David Reidy
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