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5*X + 3*X = 1096
=> (5+3)*X = 1096
=> 8X = 1096
=>X = 1096 : 8 = 137
5 x X + 3 x X =1096
<=> X x ( 5 + 3 ) = 1096
<=> X x 8 = 1096
=> X = 1096 : 8
X = 137
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
5*x+3*x=1096
=> x*(5+3) = 1096
=> x * 8 = 1096
=> x = 1096 : 8
=> x = 137
![](https://rs.olm.vn/images/avt/0.png?1311)
a) 5 × x + 3 × x =1096
x × ( 5 + 3 ) = 1096
x × 8 = 1096
x = 1096 :8
x = 137
b) 189 : x - 37 : x=8
( 189 - 37 ) : x = 8
152 : x = 8
x = 152 : 8
x = 19
ủng hộ nha
a , 5 X x + 3 X x = x X ( 5+3 ) = x X 8 = 1096
=> x = 1096 : 8 = 137.
b , 189 : x - 37 : x = ( 189-37 ) : x = 152 : x = 8
=> x = 152 : 8 = 19.
![](https://rs.olm.vn/images/avt/0.png?1311)
a. 5 x x + 3 x x = 1096
=> (5+3) x x = 1096
=> 8 x x = 1096
=> x =1096:8
=> x = 137
b. 115:x+37:x=8
=> (115+37):x=8
=> 152:x = 8
=> x = 152:8
=> x = 19
a)5 x X + 3 x X = 1096
X x (5+3) = 1096
X x 8 = 1096
X = 1096 : 8
X = 137
b) 115 : x + 37 : X = 8
( 115 + 37 ) : X = 8
152 : X = 8
X = 152 : 8
X = 19
![](https://rs.olm.vn/images/avt/0.png?1311)
\(1.x-\dfrac{2}{3}\times\left(x+9\right)=1\)
\(x-\dfrac{2}{3}\times x-6=1\)
\(x\times\left(1-\dfrac{2}{3}\right)=7\)
\(x\times\dfrac{1}{3}=7\)
\(x=21\)
\(2.x-\dfrac{11}{15}=\dfrac{3+x}{5}\)
\(\dfrac{15x}{15}-\dfrac{11}{15}=\dfrac{9+3x}{15}\)
\(15x-11=9+3x\)
\(12x=20\)
\(x=\dfrac{5}{3}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
a) \(\dfrac{3}{5}:x=3\)
\(x=\dfrac{3}{5}:3\)
\(x=\dfrac{3}{5}\times\dfrac{1}{3}\)
\(x=\dfrac{1}{5}\)
b) \(\dfrac{x}{5}:\dfrac{3}{8}=\dfrac{8}{5}\)
\(\dfrac{x}{5}=\dfrac{8}{5}\times\dfrac{3}{8}\)
\(\dfrac{x}{5}=\dfrac{3}{5}\)
\(=>x=3\)
![](https://rs.olm.vn/images/avt/0.png?1311)
(1 + x) + (2 + x) + (3 + x) + (4 + x) + (5 + x) = 10.5
15 + 5.x = 50
5.x = 50 - 15
5.x = 35
x = 35 : 5
x = 7
dấu chấm là dấu nhân
(5+3)*x=1096
8*x=1096
x=1096:8
x=137
**** mih nhe
137 t mình nhé