tìm x : 168 + x : 14 = 952
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1/ `|x|=10<=> x=\pm 10`
2/ `|x-8|=0<=>x-8=0<=>x=8`
3/ `7+|x|=12<=>|x|=5<=>x=\pm 5`
4/ `|x+1|=3`
$\Leftrightarrow\left[\begin{array}{1}x+1=3\\x+1=-3\end{array}\right.\\\Leftrightarrow\left[\begin{array}{1}x=3\\x=-4\end{array}\right.$
5/ `15-x=16-(14-42)`
`<=>15-x=16+28`
`<=>15-x=44`
`<=>x=-29`
6/ `210-(x-12)=168`
`<=>210-x+12=168`
`<=>222-x=168`
`<=>x=54`
thua so thu nhat la: ̣952/14=68
thua so thu â la: 5848/68= 86
`Answer:`
1. \(25.\left\{32:[12-4+4.\left(16:8\right)]\right\}\)
\(=25.\left\{32:[12-4+4.2]\right\}\)
\(=25.\left\{32:[12-4+8]\right\}\)
\(=25.\left\{32:[8+8]\right\}\)
\(=25.\left\{32:16\right\}\)
\(=25.2\)
\(=50\)
2. \(2195.1952-952.427-1952.1768\)
\(=2195.1952-1952.1768-952.427\)
\(=\left(2195-1768\right).1925-952.427\)
\(=427.1952-952.427\)
\(=\left(1952-952\right).427\)
\(=1000.427\)
\(=427000\)
`#3107.101107`
`x \div 26 - 168 = 278`
`x \div 26 = 278 + 168`
`x \div 26 = 446`
`x = 446 \times 26`
$x = 11596$
Vậy, $x = 11596.$
\(168+x:14=952=>x:14=952-168=784=>x=784.14\)
\(x=10976\)
TL :
\(168+x:14=952\)
\(x:14=952-168\)
\(x:14=784\)
\(x=784.14\)
\(x=10976\)