(4x-10):(x+10)=3:2解:根据两个外项的积等于两个内项的积,得2(4x-10)=3(x+10)8x-20=3x+305x=50x=10
(4x-10):(x+10)=3:23(x+10)=2(4x-10)3x+30=8x-205x=50x=10