8,75 x X + 1,25 x X = 20
( 8,75 + 1,25 ) x X = 20
10 x X = 20
X = 20 : 10
X = 2
8,75 x X + 1,25 x X = 20
(8,75+1,25) x X = 20
10 x = 20
x =20 : 10
x = 2
8,75 x X + 1,25 x X = 20
(8,75 + 1,25) x X = 20
10 x X = 20
x = 20 : 10
x = 2
8,75 x X + 1,25 x X = 20
( 8,75 + 1,25 ) x X = 20
10 x X = 20
X = 20 : 10
X = 2
8,75 x X + 1,25 x X = 20
(8,75+1,25) x X = 20
10 x = 20
x =20 : 10
x = 2
8,75 x X + 1,25 x X = 20
(8,75 + 1,25) x X = 20
10 x X = 20
x = 20 : 10
x = 2
+tìm X
8,75 x X + 1,25 x X= 20
Tìm x: 8,75 x x + 1,25 x x = 20
Tìm x: 8,75 x x + 1,25 x x = 20
Tìm x, biết:
8,75 x x + 1,25 x x = 20
Tìm X :
- 8,75 × x + 1,25 × x = 20
Tìm x: (1điểm) 8,75 × x + 1,25 × x = 20
Tìm x
8,75 x X + 1,25 x X = 20
tìm X:
7,75 x X + 1,25 x X + X = 20
Tìm x: 8,75 × x = 20 - 1,25 × x