Tìm x: (1điểm) 8,75 × x + 1,25 × x = 20
Tìm X :
- 8,75 × x + 1,25 × x = 20
tham khảo
8,75 * x + 1,25 * x = 20
<=>10*x=20
<=>x=20 : 10
<=> x=2
\(-8,75\times x+1,25\times x=20\)
\(x\times\left(-8,75+1,25\right)=20\)
\(x\times-7,5=20\)
\(x=20\div\left(-7,5\right)\)
\(x=-2.6\)
Tìm x: 8,75 x x + 1,25 x x = 20
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
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, biết:
8,75 x x + 1,25 x x = 20
Tìm x: 8,75 × x = 20 - 1,25 × x
Tìm m :
8,75 x m + 1,25 x m = 20
8,75 x m + 1,25 x m = 20
m x (8,75+1,25)=20
m x 10=20
m=2
Ta có: \(8.75\cdot m+1.25\cdot m=20\)
\(\Leftrightarrow m\cdot10=20\)
hay m=2
8,75 x m + 1,25 x m = 20
⇒m x (8,75+1,25)=20
⇒m x 10=20
⇒m=20:10
⇒m=2
Tìm X
8,75×X+1,25×X=20
8,75×X+1,25×X=20
x*(8,75+1,25+1)=20
x*10=20
x=2
8,75*X+1,25*X=20
(1,25+8,75)*X=20
10 *X=20
X=20:10
X=2
Tìm x:
8,75*x+1,25*x=20
8,75.x+1,25.x=20
=> x.(8,75+1,25)=20
=> x.10 =20
=> x =20:10
=> x =2
k mik nhé Hoàng Thị Thùy Trang
8,75 x X + 1,25 x X = 20
X = 20 : ( 8,75 + 1,25 )
X = 20 : 10
X = 2
8,75*x+1,25*x=20
x*(8,75+1,25)=20
x*10=20
x=20:10
x=2
Vậy x=2
Tìm x:
8,75 × X +1,25× X=20
x . (8,75 + 1,25) = 20
X .10=20
X=20 : 10
X =2
\(8,75.x+1,25.x=20\)
\(x.\left(8,75+1,25\right)=20\)
\(\Leftrightarrow\)\(x.10=20\)
\(\Rightarrow\)\(x=20:10=2\)
Ai thấy đúng thì ủng hộ nha !!!
8, 75 x X + 1, 25 x X = 20
2x = 20 : (8, 75 + 1, 25)
x = 20 : 10
x = 2