x×4+12×x=55,35
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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(x\times4+x=55,35\)
\(x\left(4+1\right)=55,35\)
\(x5\) \(=55,35\)
\(x\) \(=55,35\div5\)
\(x\) \(=11,07\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\Leftrightarrow x\cdot\dfrac{9}{2}=55.35\)
hay x=12,3
![](https://rs.olm.vn/images/avt/0.png?1311)
ta co X x 4 +X = 55,35
X x 5 = 55,35f
X=55,35 chia 5
ban tu tinh nha
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![](https://rs.olm.vn/images/avt/0.png?1311)
\(x\times4\times x=55,35\)
\(x\times x=55,35:4\)
\(x\times x=13,8375\)
\(\Rightarrow x=3,719879....\)
![](https://rs.olm.vn/images/avt/0.png?1311)
x*4 + 1/2 * x = 55,35
x * ( 4 + 1/2 ) = 55,35
x * 4,5 = 55,35
x = 55,35 : 4,5
x = 12,3
Vậy x = 12,3
![](https://rs.olm.vn/images/avt/0.png?1311)
\(x\times4+\frac{1}{2}\times x=55,35\)
\(x\times\left(4+\frac{1}{2}\right)=55,35\)
\(x\times4,5=55,35\)
\(x=55,35:4,5\)
\(x=12,3\)
x x 4 + 1/2 x x = 55,35
x x (4 + 1/2) = 55,35
x x 4,5 = 55,35
x = 55,35 : 4,5
x = 12,3
Chúc bạn học tốt.
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![](https://rs.olm.vn/images/avt/0.png?1311)
X x 4 + X = 55,35
X x ( 4 + 1 ) = 55,35
X x 5 = 55,35
X = 55,35 : 5
X = 11,07
x * 4 + x = 55,35
=> 4x + x = 55,35
=> x . ( 4 + 1 ) = 55,35
=> x . 5 = 55,35
=> x = 55,35 : 5
=> x = 11,07
Vậy :...
`x \times 4 + 12 \times x = 55,35`
`x \times (4 + 12) = 55,35`
`x \times 16 = 55,35`
`x = 55,35 \div 16`
`x \approx 3,46`
\(x\times4+12\times x=55,35\)
\(x\times\left(4+12\right)=55,35\)
\(x\times16=55,35\)
\(x=55,35\div16\)
\(x=\dfrac{1107}{320}\)