9x-7 upon 3x+5 = 3x-4 upon x+6
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3x-4/7 +7/3x-4=5/2
Taking LCM ,we get
(3x-4)(3x-4)+49/7(3x-4)= 5/2
9x2+16-24x+49/21x-28=5/2
9x2 -24x+65/21x-28=5/2
By cross multiplication , we get
18x2-48x+130= 105x-140
18x2 -48x-105x+130+140=0
18x2 -153x +270 =0
18x2 -108x -45x+270 =0
18x(x-6) -45(x-6) =0
(x-6)(18x-45)=0
x=6 or x =45/18=5/2
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