x - 1/4【2x-3(x-1)】=3/2 (x-1) (【】是中括号)
问题描述:
x - 1/4【2x-3(x-1)】=3/2 (x-1) (【】是中括号)
答
x - 1/4【2x-3(x-1)】=3/2 (x-1)
x - 1/4(2x-3x+3)=3/2 x-3/2
x - 1/4(-x+3)=3/2 x-3/2
x+ 1/4x-3/4=3/2 x-3/2
5/4x-3/2 x=-3/2+3/4
-1/4x=-3/4
x=3