Question

3elevado x+2=81 a resposta é: 4,2,3,5,1

Answer 1

   x + 2
3          =   81

   x + 2           4
3          =    3

x + 2 = 4
x = 4 - 2
x = 2

Resp.: x = 2
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81: 3
27: 3
9: 3
3: 3
1      = 3.3.3.3 = 3⁴