(0.2x+0.5)/0.04+(x-3)/0.6=12x
问题描述:
(0.2x+0.5)/0.04+(x-3)/0.6=12x
答
(0.2x+0.5)/0.04+(x-3)/0.6=12x
=>5x+12.5+0.6x-5=12x
=>6.4x=7.5
=>x=1.171875