3/4[(1/2x-1/4)-8]=3/2x+1怎么做?答出来之后再加50
问题描述:
3/4[(1/2x-1/4)-8]=3/2x+1怎么做?答出来之后再加50
答
由题意得:3/4[﹙1/2x-1/4)-8]=3/2x+1
3/4(1/2x-33/4)=3/2x+1
3/8x-99/16=3/2x+1
3/8x-12/8x=16/16+99/16
-9/8x=115/16
x=-35/6.