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[" (SSCCGL Tier-Ind Exam "25.10.2015" TFNo."109685" ) "],[" 31.If "6x-5y=13,7x+2y=23" then "11x+18y=],[4sqrt(9)6x-5y=13,7x+2y=23bar(x)" ).Th "11x+18y=],[" for "y+7x^(2)" arlar "(1)/(8)pi?],[[" (1) "-15," (2) "51],[" (3) "33," (4) "15],[" (SSCCHSLDEO & LDC Exam.10".11.2013" Ind Sitting) "]]

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" (2) "11x+15y=-23" & "7x-2y=20

6x + 5y = 7x + 3y + 1 = 2 ( x + 6y - 1 )

I. 2x^(2)-11x+15 = 0" "II.4y^(2)+13y+9 = 0

If x : y=1:1,\ t h e n\ (3x+4y)/(5x+6y)= (a) 7/(11) (b) (17)/(11) (c) (17)/(23) (d) 4/5

If x : y=1:1,\ t h e n\ (3x+4y)/(5x+6y)= (a) 7/(11) (b) (17)/(11) (c) (17)/(23) (d) 4/5

I. 12x^(2)+ 11x+12 = 10x^(2) + 22x II. 13y^(2) - 18y+3=9y^(2) - 10y

Solve by cross-multiplication method. (i) 8x-3y=12,5x=2y +7 (ii) 6x+ 7y -11 =0, 5x+ 2y =13 (iii) (2)/(x)+(3)/(y) =5, (3)/(x) -(1)/(y) +9=0

Solve by the method of elimination 2x-y=3,3x +y=7 (ii) x-y=5, 3x+ 2y = 25 (iii) (x)/(10 ) +(y)/(5) =14 ,(x)/( 8) + (y)/( 6) =15 (iv) 3(2x+y) =7xy,3 (x+3y ) =11xy (v) (4)/(x) +5y =7,(3)/(x) +4y =5 (vi) 13x +11y = 70,11x +13y =74

Solve for x and y: 2x+3y=7" and "6x+5y=11 .