Question

Question #fd6fd

Answer 1

`x=3`

Explanation:

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Answer 2

`x=3`

Explanation:

`3/(1+2^(2-x))=2`

`3=2+2*2^(2-x)`

`1=2^1*2^(2-x)`

`1=2^(2-x+1)`

`1=2^(3-x)`

`ln1=ln2^(3-x)`

`(3-x)ln2=0`

`3ln2-xln2=0`

`xln2=3ln2`

`x=3`