x+38+250+3000=250

x+38+250+3000=250 3000(x+250)+2x(x+250)=3000x怎么解 x+x/4=250 x+3x+5x+7x+9x...+99x=250 1.5x+20=14x-612.2x-2=10x-663.9+12X = 119+X4.3x+12=75-6x5.76-4x=7x+216.-32 - 5x=13-10x7.152-4x= 6x+228.2x+10 = -90-8x9.-151-9x=10x+2010.10-9x= 135-44x11.250-7x=38x+15 (x-4)+(x+4)+(x÷4)+4x=250 x是多少 20x(250-X)-100X=4400解方程 x（40-2x）=250求x (250*x)+(300*x)=90000 1.5x=x+250的步骤 4X÷2=250+X X/250+X/200=6.75 x+250=3.5x解方程 （x-21)*(250-5x)=0, x÷40%-x=250+350 解方程x+(x+250)=850 250=2X+十分之x 4x+2(100-x)=250