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1119. x - y = 0.9,= 12(x + y) |
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Answer» GIVEN X−y=0.9 .....................(1) 11(x+y) −1 =2 ⇒ x+y 11 =2 ⇒2x+2y=11..............(2) Multiply (1) by 2 and added 2x-2y=1.8 4x=12.8 Or x=3.2 Put VELUE of x in (1) then y=x-0.9=3.2-0.9=2.3 Then x=3.2 and y=2.3 |
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