Tìm x, biết
Tìm x
1/3+2/5=x
x/5=5/6+ -19/30
x -5/7 = 1/9
2/15 -x=3/10
-5/6 - x=7/12+ -1/3
3/8 .x=3/5
x:7/4 =2/7
4/7.x+ 2/3= -1/5
2/9 - 7/8.x= -1
4/9 - 5/3 .x =-2
1/3+2/5=x
x/5=5/6+ -19/30
x -5/7 = 1/9
2/15 -x=3/10
-5/6 - x=7/12+ -1/3
3/8 .x=3/5
x:7/4 =2/7
4/7.x+ 2/3= -1/5
2/9 - 7/8.x= -1
4/9 - 5/3 .x =-2