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https://hoc24.vn/cau-hoi/a-5x-2x-62-50b-5x-x-150-2-3c-6x-x-511-59-31d-5x-3x-36-334-124x-2x-68-219-216.2785429565572
a: \(\Leftrightarrow7x=35\)
hay x=5
b: \(\Leftrightarrow6x=78\)
hay x=13
![](https://rs.olm.vn/images/avt/0.png?1311)
a: \(\Leftrightarrow6x=30\)
hay x=5
b: \(\Leftrightarrow6x=25+12-1=36\)
hay x=6
![](https://rs.olm.vn/images/avt/0.png?1311)
a: \(\Leftrightarrow8x=108+12=120\)
hay x=15
b: \(\Leftrightarrow6x=60\)
hay x=10
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
68-4x=2x+219/213
68-4x=2x+26
68=2x+26+4x
68=6x+26
68=6x+64
6x=68-64
6x=4
x=4/6
x=2/3
![](https://rs.olm.vn/images/avt/0.png?1311)
g)\(2907\left(2x+1\right)=8721\)
⇔\(2x+1=3\)
⇔\(2x=2\)
⇔\(x=1\)
h)\(\left(4x-16\right):1905=60\)
⇔\(4x-16=114300\)
⇔\(4x=114316\)
⇔\(x=28579\)
i)\(23+3x=5^6:5^3\)
⇔\(23+3x=5^3\)
⇔\(23+3x=125\)
⇔\(3x=102\)
⇔\(x=34\)
k)\(219-7\left(x+1\right)=100\)
⇔\(7\left(x+1\right)=119\)
⇔\(x+1=17\)
⇔\(x=16\)
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a) x = {6; 5; 4; 3; 2; 1; 0}
b) x = { 35; 36; 37; 38; 39}
c) x = { 217; 218; 219}
`a) A = {6; 5; 4; 3; 2; 1; 0}`
`b) B = { 35; 36; 37; 38; 39}`
`c) C = { 217; 218; 219}`