-(1.7-2x)/0.3=x/0.7-1注意：最前面有一个负号

1.7-2x/0.3=x/0.7-1 解方程 解方程x/0.7-(1.7-2x)/0.3=1 0.3分之(1.7-2x)=0.7分之(x)-1 0.7分之x-0.3分之1.7-2x=1 0.3分之1.7-2x=0.7分之x-1 x/0.7-1.7-2x/0.3=1 x/0.7-(1.7-2x)/0.3=1 1.7-2x/0.3=x/0.7-1 求解x/0.7-1.7-2x/0.3=1 （1.7-2x）/0.3=x/0.7-1,（3+0.2x）/0.2-(0.2+0.03x)/0.01=0.75 1/2x-1/4（x-1）=2/3（x-1）x - x-1 / 3 = 1 - x+3 / 5x / 0.7 - 1.7-x / 0.3 = 1 (x-1)/0.3-(x+7)/0.5=1.7 x/0.7-(0.17-0.7x)/0. 0.3+0.3x=0.39 x= 2x-1.5x=7.6x x= 0.36x÷0.3=1.2 x=6（x+1.2)=18.6 x= 7x+2x = 8.1 x= (x-5）÷3=1.7 x=5（x+1.1)=15.5 x= 9x+25=70 x= 7x-4x=2.1 x= 1-0.3分之1.7-2x＝0.7分之x-1 0.3分之0.2x-0.1-0.05分之0.01x+0.02=0.1x 8x-5.5x=7.57.2x÷3.6=2 3x＋6x-8x=0.7 12x-2x-5x=4.512x-x=0 5x＋x=1.8 3.2x＋1.8x=64.8x-0.8x=6 6.3-0.3x=9.6 8.6x-8.5x=0.720x-2x=36 9x＋6x=4.5 18x-12x=5.42x-1.6x=3.6 18x＋3x=7×6 1.2x-0.5x=0.71.3x＋2.7x=1 4x-3.2x=6.4 0.8x＋3.2x＋3x=562.8x-2x=7.2 f(x)=x^2+x (x (2x-1)/0.7=x/0.3-1/77x-3=6x-52-2/3x=x-3/23x-(x-1)=510+2(x-1/2)=7(x-2)1-(38x-2)/19=(2-3x)/33x-(3x-1)=x/6 解方程.[X-0.3X-0.2(X-0.3X)-2]-0.3X=28