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Asked by shethdhanesh | 29 Nov, 2023, 08:33: PM
If (a / b) = (c / d) , then by compenendo and dividendo rule

(a+b)/(a-b) = (c+d)/(c-d)

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4x + 8 = 9x - 27

5x = 35

x=7

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similarly , other problems can be solved . Substitute x value from answer and ensure the answer is correct.

for example ,  if we substitute x = 7 in above question,  then we get

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Answered by Thiyagarajan K | 30 Nov, 2023, 09:45: AM

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