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LuaHell
@LuaHell
December 2019
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Determine o valor de x para que a igualdade 3^5x+1.(3/9)^x+8=243^x-3 seja verdadeira. Resposta x=8
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lazinhojose
3^(5x+1).(1/3)^(x+8)=3^5(x-3)
3^(5x+1).3^-1(x+8)=3^5(x-3)
5x+1-x-8=5x-15
-7-x=5x-5x-15
x=15-7
x=8
Resposta: x=8
11 votes
Thanks 12
LuaHell
Muito obrigada
lazinhojose
Ok
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3^(5x+1).3^-1(x+8)=3^5(x-3)
5x+1-x-8=5x-15
-7-x=5x-5x-15
x=15-7
x=8
Resposta: x=8