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Tuesday, 6 August 2013

(x-4)/(x+6)=(2x+3)/(2x-1)

(x-4)/(x+6)=(2x+3)/(2x-1)

By cross multiplying
(x-4) (2x-1)=( 2x+3) (x+6)
2X2-8x-x+4=2x2+12x+3x+18
2X2-9x+4=2x2+15x+18
2X2-9x+4-2x2-15x-18=0
-24x -14=0
-24x = 14
Divided by -24  both side, we have
X =14/-24
Cutting by 2
X = 7/-12

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