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![](https://rs.olm.vn/images/avt/0.png?1311)
1, -15 + \(x\) = -14 - (-57)
-15 + \(x\) = -14 + 57
\(x\) = -14 + 57 + 15
\(x\) = 43 + 15
\(x\) = 58
2, (-14) + \(x\) - 7 = -10
-14 + \(x\) - 7 = -10
- 21 + \(x\) = - 10
\(x\) = -10 + 21
\(x\) = 11
![](https://rs.olm.vn/images/avt/0.png?1311)
x . 14 = -26 - 32
x . 14 = -58
x = -58 : 14 = -29/7
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![](https://rs.olm.vn/images/avt/0.png?1311)
a, -15 + \(x\) = -14 - (-57)
-15 + \(x\) = -14 + 57
\(x\) = -14 + 57 + 15
\(x\) = 58
b, (-14) + \(x\) - 7 = -10
\(x\) = -10 + 7 + 14
\(x\) = -3 + 14
\(x\) = 11
![](https://rs.olm.vn/images/avt/0.png?1311)
32.(x-10)=32
=>x-10=32:32
=>x-10=1
=>x=11
(x-78).26=0
=>x-78=0:26
=>x-78=0
=>x=78
(x-14):2=3
=>x-14=3.2
=>x-14=6
=>x=14+6
=>x=20
a) 32.(x-10)=32
x-10=1
x=11
b) (x-78).26=0
x-78=0
x=78
c) (x-14):2=3
x-14=6
x=20
![](https://rs.olm.vn/images/avt/0.png?1311)
- x - 14 + 32 = - 26
- x - 14 = -26 - 32
- x - 14 = -58
- x = -58 + 14
- x = - 44
➩ x = 44
![](https://rs.olm.vn/images/avt/0.png?1311)
A, -20+ (x-16) = -32
-20 +x -16 = -32
-36 + x = -32
x = -32 - (-36)
x = 4
Vậy x= 4
B, -42 - 7x= -14
-7x=-42-(-14)
-7x = -28
x = -28 : (-7)
x = 4
Vậy x= 4
c, 26+|𝑥−15|=30
| x -15| = 4
TH1: x - 15= 4
x = 19
TH2: x - 15 = -4
x= 11
vậy.........
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\dfrac{11}{26}+\dfrac{32}{39}-\left(-\dfrac{14}{52}\right)\)
=\(\dfrac{97}{78}+\dfrac{14}{52}\)
=\(\dfrac{59}{39}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a) \(-x-14+32=-26\)
\(-x=-26-32+14\)
\(-x=-44\)
\(x=44\)
b) \(-152-\left(3x+1\right)=\left(-2\right)\left(-27\right)\)
\(-152-3x-1=54\)
\(-3x=96\)
\(x=-32\)
c) \(x+x+x+82=-2-x\)
\(3x+82=2+x\)
\(2x=-80\)
\(x=-40\)
d) \(\left(-1\right)\left(-3\right)\left(-6\right)x=36\)
\(-18x=36\)
\(x=-2\)
1)
\(-x-14+32=-26\)
\(\Rightarrow-x+18=-26\)
\(\Rightarrow-x=-26-18\)
\(\Rightarrow-x=-44\)
\(\Rightarrow x=44\)
Vậy \(x=44\)
2)
\(-152-\left(3x+1\right)=\left(-2\right)\left(-27\right)\)
\(\Rightarrow-152-3x-1=54\)
\(\Rightarrow-153-3x=54\)
\(\Rightarrow-3x=54+163\)
\(\Rightarrow-3x=207\)
\(\Rightarrow x=207:\left(-3\right)\)
\(\Rightarrow x=-69\)
Vậy \(x=-69\)
3)
\(x+x+x+82=-2-x\)
\(\Rightarrow3x+82=-2-x\)
\(\Rightarrow3x+x=-2-82\)
\(\Rightarrow4x=-84\)
\(\Rightarrow x=-21\)
Vậy \(x=-21\)
4)
\(\left(-1\right)\left(-3\right)\left(-6\right).x=36\)
\(\Rightarrow-18x=36\)
\(\Rightarrow x=-2\)
Vậy \(x=-2\)
-x + 8 = -26
--> x = 26 + 8 = 34
xin tiick