-1/2x+2/5x-1/3x+1/6x=4/15
问题描述:
-1/2x+2/5x-1/3x+1/6x=4/15
答
-1/2x+2/5x-1/3x+1/6x=4/15
(-1/2+2/5-1/3+1/6)x=4/15
-4/15 x = 4/15
x=-1