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ICSE Class 10 Answered

If (x-9):(3x+6) is the duplicate ratio of 4:9, find the value of x.
Asked by amrutiyavishwa | 15 Feb, 2019, 02:35: PM
Expert Answer
 
begin mathsize 16px style fraction numerator straight x space minus space 9 over denominator 3 straight x space plus space 6 end fraction equals space 4 over 9 rightwards double arrow 9 open parentheses straight x space minus space 9 close parentheses space equals space 4 open parentheses 3 straight x space plus space 6 close parentheses rightwards double arrow 9 straight x space minus space 81 space equals space 12 straight x space plus space 24 rightwards double arrow negative 3 straight x space equals space 105 rightwards double arrow straight x space equals space minus 35 end style
Answered by Yasmeen Khan | 15 Feb, 2019, 03:06: PM

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