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8xʮ2xʮ13xһ11x 48

8x+2x*4=488x+8x=4816x=48 x=4816 x=3

ԭʽΪ:(5-X)(8-X)=24 40-5X-8X+X^2=24 X^2-13X-26=0 x=(13+-105)/2

12xʮ35=13xһ48:12xʮ35=13xһ48 35+48=13x-12x x=83

11x40ʮ89x40ʮ8x11=(89+11)x40+8x11 =4000+88 =4088

54x13+131+13X45=13x(54+1+45)=13x100=1300

8X+2*8=408X+16=408X=40-168X=24 X=3

13xʮ11(104һx)=124013x+1144-11x=12402x=100 x=50

8x-2x=11x 6X=11X 5X=0 X=0

8x+40=13x-108X-13X=-40-10-5X=-50X=10

: 8x+2x-11x=1-6-7 ϲͬ -x=-12 ϵ1 x=12

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