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Tìm x
( 5x - 36 ) : 18 = 13
=> 5x - 36 = 234
=> 5x = 234 + 36
=> 5x = 270
=> x = 270 : 5
=> x = 54
\(\left(5x-36\right):18=13\)
\(5x-36=13.18\)
\(5x-36=234\)
\(5x=234+36\)
\(5x=270\)
\(x=\frac{270}{5}\)
\(x=54\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a) 5x – 36 : 18 = 13
5x – 2 = 13
5x = 13+2
5x = 15
x = 15 :5
x = 3
Vậy x = 3
![](https://rs.olm.vn/images/avt/0.png?1311)
c) (5x – 36) : 18 = 13
(5x – 36) = 13.18
(5x – 36) = 234
5x = 234 + 36
5x = 270
x = 270:5
x = 54
Vậy x = 54
![](https://rs.olm.vn/images/avt/0.png?1311)
1) \(\Rightarrow5x-36=216\)
\(\Rightarrow5x=252\Rightarrow x=\dfrac{252}{5}\)
2) \(\Rightarrow\left[{}\begin{matrix}x-890=0\\74-x=0\end{matrix}\right.\)\(\Rightarrow\left[{}\begin{matrix}x=890\\x=74\end{matrix}\right.\)
(5x-36):18=12
5x-36=216
5x=252
x=50,4
(x-890)(74-x)=0
=> x-890=0 hoặc 74-x=0
x=890 hoặc x=74
![](https://rs.olm.vn/images/avt/0.png?1311)
b: Ta có: 7x-8=713
nên 7x=721
hay x=103
c: Ta có: x-36:18=12
nên x-2=12
hay x=14
d: Ta có: (x-36):18=12
nên x-36=216
hay x=252
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\left(x-36\right):18=12\)
\(x-36=12.18\)
\(x-36=216\)
\(x=252\)
vậy \(x=252\)
\(5x-3=3x-11\)
\(5x-3x=-11+3\)
\(2x=-8\)
\(x=-4\)
vậy \(x=-4\)
\(3x+5x=16\)
\(8x=16\)
\(x=2\)
vậy \(x=2\)
\(2\left(x+1\right)=10\)
\(x+1=5\)
\(x=4\)
vậy \(x=4\)
k nha Pham Tuyet Nhung
1.=> x-36 = 216 = > x = 216 +36 =252
2. =>2x = -8 = > x= -4
3.8 x = 16 = > x = 2
4 . => x= 10 -1 = 9
ok có j ko hiểu hỏi riêng nha
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\frac{2}{9}.5x+\frac{1}{2}-\frac{1}{18}=\frac{5}{36}\)
\(\frac{2}{9}.5x=\frac{5}{36}+\frac{1}{18}-\frac{1}{2}\)
\(\frac{2}{9}.5x=\frac{-11}{36}\)
\(5x=\frac{-11}{36}:\frac{2}{9}\)
\(5x=\frac{-11}{8}\)
\(x=\frac{-11}{8}:5\)
\(x=\frac{-11}{40}\)
Chú ý dấu chấm là dâu nhân nha
![](https://rs.olm.vn/images/avt/0.png?1311)
1) \(x-36:18=12\)
\(\Rightarrow x-2=12\)
\(\Rightarrow x=14\)
2) \(\left(x-36\right):18=12\)
\(\Rightarrow x-36=216\)
\(\Rightarrow x=252\)
![](https://rs.olm.vn/images/avt/0.png?1311)
5x + x = 36
6x = 36
x = 36 : 6
x = 6
Vậy x = 6
2 ( x + 4 ) - 32 = 18
2 ( x + 4 ) = 18 + 32
2 ( x + 4 ) = 50
x + 4 = 50 : 2
x + 4 = 25
x = 25 - 4
x = 21
Vậy x = 21
7x - 2x = 50
5x = 50
x = 50 : 5
x = 10
Vậy x = 10
Chúc hok tốt
A) \(y=5X-\frac{18.2}{18}=135X-2=13x=3\)
B)\(y=\frac{5x-36}{18}=13\frac{5x}{18}-2=13\frac{5x}{18}=15\frac{x}{18}=3x=54\)
sai bet te be nhe