12x+1/5x*12=86472x/5=864X=601.26X*24=30X+4830.24X-30X=480.24X=48X=200
请严谨表达!4X/5*15+(1-4/5)X*(15-3)=86412x+12x/5=864.72x/5=864.自己算。(1+26%)X*24=30X+48 方程详细解法!1.26X*24=30X+48.30.24X=30X+48.0.24X=48X=200