解方程x减0点2x等于32怎么求-搜答案-拍题作业网

30%为0.3也就是3/10（x-2/5+14-x）/x=3/10（2/5+14）/x=3/10x=3/144

解由题意得43.2-36.5/X=0.543.2-0.5=36.5/X42.7=36.5/XX=0.85

12-2✘=7.612-7.6=2✘2✘=4.4✘=2.2

0.77x=0.82×7-4.20.77x=1.54x=1.54÷0.77x=2

1.3x-3.2=13.71.3x=13.7+3.21.3x=16.9x=16.9/1.3x=13

9.2X-X=49.2(9.2-1)X=49.28.2X=49.2X=49.2÷8.2X=6

再答：最后是加1再答：不好意思啊再答：再答：这个才是正确的再答：刚才是不完整再答：以后我会主意的

7x减2x等于635x=63x=63/5

20×0.4-1.2x=5.68-1.2x=5.61.2x=2.4x=2

9.5X-5X=0.94.5X=0.9X=0.9÷4.5X=0.2

1.8-2x=0.61.8-0.6=2x1.2=2xx=1.2÷2x=0.6

0.7x-0.6x=0.010.1x=0.01x=0.1

“初夏的雨点页”您好,很高兴为您解答!2减x等于0.75x=2-0.75x=1.25希望我的回答对您有帮助~

X减0点76X等于0点96X-0.76X=0.960.24X=0.96X=0.96÷0.24X=4

x+2.5x=0.7（1+2.5)x=0.73.5x=0.7x＝0.2

2X-4%x=7.2x=7.2/(2+0.04)=3.5312.5X-30%x=3.5x=3.5/(12.5-0.03)=0.28(保留的两位小数)

17.28-4x=5.6x9.6x=17.28x=17.28/9.6x=1728/960x=1.8

2.8x-0.6=52.8x=5.6x=5.6/2.8x=2

19-2x=5-2x=5-19-2x=-14x=7

x=100×2-30=170