x=...
网友回答
2 (x+4)/5-x+5=(x+3)/3-(x-2)/2 急急急急急急急答：x / 0.6 - （0.35 - 0.9 x）/0.04= 1解：两边乘以 0.6*0.04 得： 0.04x - 0.6（0.35 - 0.9 x）= 0.6*0.04 0.04x - 0.21 + 0.54 x = 0.024 （0.04+ 0.54）x = 0.024 + 0.21 0.58 x = 0.234 x = 0.234 ÷ 0.58 x = 117 / 290 两边乘306x+24-30x+150...