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Last updated at June 21, 2018 by Teachoo
Transcript
Ex 2.6, 5 Solve the following equations. (7๐ฆ + 4)/(๐ฆ + 2)=(โ4)/3 (7๐ฆ + 4)/(๐ฆ + 2)=(โ4)/3 3 (7y + 4) = โ4 (y + 2) 21y + 12 = โ4 (y + 2) 21y + 12 = โ4y โ 8 21y + 4y + 12 = โ8 25y + 12 = โ8 25y = โ8 โ 12 25y = โ20 y = (โ20)/25 y = (โ๐)/๐ Check:- L.H.S = (7๐ฆ + 4)/(๐ฆ + 2) =(7 ((โ4)/5) + 4)/((โ4)/5 + 2)=((โ28)/5 + 4)/((โ4)/5 + 2) = ((โ28 + 4(5))/5)/((โ4 + 2(5))/5) = ((โ28 + 20)/5)/((โ4 + 10)/5)=((โ8)/5)/(6/5)=(โ8)/5ร5/6 =(โ4)/3= R.H.S โด LHS = RHS Hence Verified.
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