1-2x-5/6=3-x/4 求x
问题描述：
1-2x-5/6=3-x/4 求x
答
移向得，
-7/4x=17/6
所以，x=(17/6)/(-7/4)=-34/21
答
-1/3
答
-7/4X=17/6
x= -34/21
答
解:1-2x-5/6=3-x/4
1/6-2X =3-x/4
-2X+X/4 =3-1/6
-7/4X =17/6
X = -34/21
行不行呢？
答
1-2x-5/6=3-x/4
1/4X-2X=3-1+5/6
-2X+X/4 =3-1/6
-7/4X =17/6
X = -34/21