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I have to find the value if X but how do I do it with a fraction ?
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May 27, 2017
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I have to find the value if X but how do I do it with a fraction ?
Mathematics
high-school
Wajahath
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Wajahath
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Hello,
if 2/6=10/30 then 2*30=6*10 (60=60). [cross products}
Sol={15}
Angelo Immediata
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May 28, 2017
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Angelo Immediata
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first of all you need to push the restrictions for x so x not can being never equal 4 and -7 because than these denominators will be equal zero and these fractions undefined
1/(x-4) = 2/(x+7) cross multiple and will get
x+7 = 2(x-4)
x+7=2x-8
x = 15
hope this helped
Boobalan
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Jun 3, 2017
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Boobalan
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