TÌM X, BIẾT( ) ( )A. 1112 − 25 + X = 23 ⋅ B. X
Bài 1. Tìm x, biết
( ) ( )
a.
11
12
−
2
5
+ x =
2
3
⋅
b.
x :
1
9
−
2
5
=
− 1
2
⋅
c.
x −
1
5
⋅
1
3
5
+ 2x = 0.
Bài 1. Tìm x, biết
a.
11
12
−
2
5
+ x =
2
3
⋅
b.
x :
1
9
−
2
5
=
− 1
2
⋅
c.
x −
1
5
⋅
1
3
5
+ 2x = 0.