3.6X+1.4X=9.5解:5x=9.5x=1.9
3.6x+1.4x=9.5(3.6+1.4)x=9.55x=9.5x=9.5/5x=1.9
3.6X+1.4X=9.55X=9.5x=1.9______________________________________
5x=9.5x=9.5÷5x=1.9
X=1.9