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(\(x+2\)) + ( 2\(\times\) \(x\) + 4) + ( 3 \(\times\) \(x\) + 6) = 400 \(\times\)0,12
\(x\) + 2 + 2 \(\times\) \(x\) + 4 + 3 \(\times\) \(x\) + 6 = 48
\(x\) \(\times\) ( 1 + 2 + 3) + ( 2 + 4 + 6) = 48
\(x\) \(\times\) 6 + 12 = 48
\(x\) \(\times\) 6 = 48 - 12
\(x\) \(\times\) 6 = 36
\(x\) = 36 : 6
\(x\) = 6
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\(a.0.12\times x=6\)
\(x=6:0.12=50\)
\(b.x\times0.1=\dfrac{2}{5}\)
\(x=\dfrac{2}{5}:0.1=4\)
a] 0,12 x X = 6
X = 6 : 0,12 X = 50b] X x 0,1 = 2/5 X = 2/5 : 0,1 X = 4![](https://rs.olm.vn/images/avt/0.png?1311)
`a)0,12 xx x=6`
`x=6:0,12`
`x=50`
`b)x:2,5=4`
`x=2,5xx4`
`x=10`
`c)5,6:x=4`
`x=5,6:4`
`x=1,4`
`d)x xx0,1=2/5`
`x = 2/5:0,1`
`x=2/5 :1/10`
`x=2/5xx10/1`
`x=4`
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a) PT \(\Leftrightarrow x=\dfrac{6}{0,12}=50\)
Vậy \(x=50\)
b) PT \(\Leftrightarrow x=4\cdot2,5=10\)
Vậy \(x=10\)
c) PT \(\Leftrightarrow x=\dfrac{5,6}{4}=1,4\)
Vậy \(x=1,4\)
d) \(\Leftrightarrow x=\dfrac{\dfrac{2}{5}}{0,1}=4\)
Vậy \(x=4\)
0,12 . x = 6
x = 6 : 0,12
x = 50
Vậy giá trị x cần tìm là 50
0,12 x X = 6
X = 6 : 0,12
X = 50
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