8.5÷0.5x=1.7

8.5÷0.5x=1.7 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 方程:1.7x+0.5x=4. 1.7x+0.5x=39.6 (x一1.7）÷3=1.8 7x－3.4x=0.72 o.5x＋7 X 0.5=7解方程 (0.5+x)+x=9.8÷2 (0.5+x)+x=9.8÷2 (x+x)+(x-x)+(x*x)+(x÷x)=81 X-15%X=1.7 (1-15%)X=1.7 85%X=1.7 0.85X=1.7 X=1.7÷0.85 X=2 分析 x-2=(104-x)+2 6x-59=10x-75 (x+10)+(x-15)=280-x4（x-62)=x-38 60x-40=(60+20)*(x-5) 32x+32*0.5-25x+64x=24x+496-49x x+15=3*(109-x ) 5(3x-1.4)=2(6x-0.5) 3(x+0.9)=5(x-1.7) 13x-4(2x+5)=17(x-2)-4(2x-1) (13x+8)/3=5x-1x-60=2[(3561-x)+100]+1 (x+9)+12=2[(x-9)-1 14x-x=169和1.7x十0.5x=4.4怎么检验? 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= (x-1)/0.3-(x+7)/0.5=1.7 x/0.7-(0.17-0.7x)/0. 2x-0.5[x-0.5(x-1)]=3÷2(x-1)~（>_ 解方程：15X-25=X+25 X÷0.5+X=5.1 解方程:(x+10)+(x-15)=280-x x+15=3*(109-x) 5(3x-1.4)=2(6x-0.5) 3(x+0.9)=5(x-1.7) 13x-4(...解方程:(x+10)+(x-15)=280-xx+15=3*(109-x) 5(3x-1.4)=2(6x-0.5) 3(x+0.9)=5(x-1.7)13x-4(2x+5)=17(x-2)-4(2x-1) (x的五次方+3x³)÷x³-(x+1)²,其中x=-0.5 X÷48%=X+(X+32)