Question

Resolva as equações exponenciais






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Answer 1

( 1/3 )²ˣ ⁺ ⁴ = ( 1/9 )

( 1/3 ) ²ˣ ⁺ ⁴ = ( 1/3 )²

2x + 4 = 2

2x = 2 - 4

2x = - 2

x = - 2/2

x = - 1