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Mình chỉ biết làm câu b thôi. Xl nhé!
b/ \(2^x=32^5.64^6\)
\(\Rightarrow2^x=\left(2^5\right)^5.\left(2^6\right)^6\)
\(\Rightarrow2^x=2^{25}.2^{36}\)
\(\Rightarrow2^x=2^{25+36}\)
\(\Rightarrow2^x=2^{61}\)
\(\Rightarrow x=61\)
Vậy \(x=61\)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
Mình chỉ biết làm câu b thôi. Xl nhé!
b/ \(2^x=32^5.64^6\)
\(\Rightarrow2^x=\left(2^5\right)^5.\left(2^6\right)^6\)
\(\Rightarrow2^x=2^{25}.2^{36}\)
\(\Rightarrow2^x=2^{25+36}\)
\(\Rightarrow2^x=2^{61}\)
\(\Rightarrow x=61\)
Vậy \(x=61\)
![](https://rs.olm.vn/images/avt/0.png?1311)
Mình chỉ biết làm câu b thôi. Xl nhé!
b/ \(2^x=32^5.64^6\)
\(\Rightarrow2^x=\left(2^5\right)^5.\left(2^6\right)^6\)
\(\Rightarrow2^x=2^{25}.2^{36}\)
\(\Rightarrow2^x=2^{25+36}\)
\(\Rightarrow2^x=2^{61}\)
\(\Rightarrow x=61\)
Vậy \(x=61\)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
a)13-2(x+1)=7
2.(x+1)=13-7
2.(x+1)=6
x+1=6/2
x+1=3
x=3-1
x=2
a, 13 - 2 ( x + 1 ) = 7
2 .( x + 1 ) = 13 - 7
2 .( x + 1 ) = 6
x + 1 = 6 : 2
x + 1 = 3
x = 3 - 1
x = 4
32 - 4.( 5-x) = 40
32 - 20 + 4x = 40
12 + 4x = 40
4x = 40 - 12
4x = 28
x = 28: 4
x = 7
32-4(5-x)=40
32-20+4x=40
12+4x=40
4x=40-12
4x=28
x=28:4
x=7