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solve cross multiplication question has 2 X + 3 Y equal to elevel and 2 x minus 4 Y equal to minus 24 |
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Answer» Step-by-step explanation: 2x+3y=11•••••••••••(i) 2x-4y=-24••••••••••(ii) from eq.n (i) 2x=11-3y•••••••••••(III) & from eq.n (ii) 2x=-24+4y•••••••••(iv) Now eq.n (iii)=(iv) 11-3y=-24+4y =>-3y-4y=-24-11 =>-7y=-35 =>y=5 Now PUTTING the value of y in eq.n (iii) we GET 2x=11-3(5) 2x=11-15 2x=-4 x= -2 hence x=-2 & y= 5 |
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