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\(-\left(35-x\right)-\left(37-x\right)=33-x\)
\(-35+x-37+x=33-x\)
\(2x-2=33-x\)
\(2x+x=33+2\)
\(3x=35\)
\(x=\frac{35}{3}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(-(35-x)-(37-x)=33\\\Rightarrow-35+x-37+x=33\\\Rightarrow(-35-37)+(x+x)=33\\\Rightarrow-72+2x=33\\\Rightarrow2x=33+72\\\Rightarrow2x=105\\\Rightarrow x=105:2\\\Rightarrow x=52,5\\---\)
\((-14)+x-7=(-10)\\\Rightarrow x-7=(-10)+14\\\Rightarrow x-7=4\\\Rightarrow x=4+7\\\Rightarrow x=11\)
![](https://rs.olm.vn/images/avt/0.png?1311)
-(35 - \(x\)) - (37 - \(x\)) = 33
- 35 + \(x\) - 37 + \(x\) = 33
(\(x\) + \(x\)) - (35 + 37) = 33
2\(x\) - 72 = 33
2\(x\) = 33 + 72
2\(x\) = 105
\(x\) = \(\dfrac{105}{2}\)
(-14) + \(x\) - 7 = (-10)
-14 + \(x\) - 7 = -10
\(x\) - (14 + 7) = -10
\(x\) - 21 = -10
\(x\) = -10 + 21
\(x\) = 11
![](https://rs.olm.vn/images/avt/0.png?1311)
-(35-x)-(37-x)=33-x
=>-35 +x -37+x=33-x
=>x+x+x=35+37+33
=>x=35
![](https://rs.olm.vn/images/avt/0.png?1311)
-(35-x)-(37-x)=33-x
<=>-35 +x -37+x=33-x
<=>x+x+x=35+37+33
<=>x=35
![](https://rs.olm.vn/images/avt/0.png?1311)
a: \(x-43=\left(35-x\right)-48\)
=>\(x-43=35-x-48\)
=>\(x-43=-x-13\)
=>\(x+x=-13+43\)
=>2x=30
=>x=30/2=15
b: \(305-x+14=48+\left(x-23\right)\)
=>\(319-x=48+x-23=25+x\)
=>\(x+25=319-x\)
=>\(x+x=319-25\)
=>\(2x=294\)
=>\(x=\dfrac{294}{2}=147\)
c: \(-\left(-x-6+85\right)=\left(x+51\right)-54\)
=>\(-\left(-x+79\right)=x+51-54\)
=>x-79=x-3
=>-79=-3(vô lý)
=>\(x\in\varnothing\)
d: \(-\left(35-x\right)-\left(37-x\right)=33-x\)
=>\(-35+x-37+x=33-x\)
=>2x-72=-x+33
=>\(2x+x=33+72\)
=>3x=105
=>\(x=\dfrac{105}{3}=35\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a, 305-x+14=48+x-23
<=> 319-x=25+x
<=>x=-147
b, -35+x-37+x=33-x
<=> -72+2x=33-x
<=> 2x+x=33+72
<=> 3x=105 <=> x=35
-(35 - \(x\)) - (37 - \(x\)) = 33 - \(x\)
- 35 + \(x\) - 37 + \(x\) = 33 - \(x\)
\(x\) + \(x\) + \(x\) = 33 + 35 + 37
3\(x\) = 105
\(x\) = 105 : 3
\(x\) = 35