Question

\(81:3^x=3\)

\(3^{x+1}.2=162\)

Tìm x

Answer 1

81:3^x=3

=> 3^x =81:3

=>3^x=27

=> x=3

3^x+1.2=162

=> 3^x+1=162:2

=> 3^x+1= 81

=> x+1=4

x=3

Answer 2

\(81:3^x=3\)

\(3^x=27\)

\(3^x=3^3\)

\(\Rightarrow x=3\)

Answer 3

81 : 3\(^x\)= 3

       3\(^x\)= 81 : 3

3\(^x\)       =27

3\(^x\)       = 27

3\(^x\)        = 3\(^3\)

Answer 4

\(81:3=27\)

\(\Rightarrow3^x=27\)

\(\Rightarrow x=3\)

\(3^{x+1}=81\)

\(\Rightarrow x+1=3\)

\(\Rightarrow x=2\)

Answer 5

\(3^{x+1}=81\)

\(3^{x+1}=3^4\)

\(\Rightarrow x+1=4\)

\(x=3\)

Answer 6

a) 81:3^x=3

<=>3^x=81:3

<=>3^x=27

<=>3^x=3³

<=>x=3

Vậy x=3

b) 3^x+1.2=162

<=>3^x+1=162:2

<=>3^x+1=81

<=>3^x+1=3⁴

<=>x+1=4

<=>x=3

Vậy x=3

Answer 7

kiệt đẹp trai ^-^

kết bạn vs mk ik

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and

I can't answer your question

Answer 8

đùa thui

dễ mà

81:3^x=3

3^x=27

3^x=3³

x=3

3^x+1.2=162

3^x+1= 81

3^x+1=3⁴

x+1=4

x=3

lười nên mk làm tắt