Respuesta :
Hello,
8*e^(3x)+9=13
==>8*e^(3x)=4
==>e^(3x)=1/2
==>x=ln(1/2)/3
==>x=-0,231049060....≈-0.231
8*e^(3x)+9=13
==>8*e^(3x)=4
==>e^(3x)=1/2
==>x=ln(1/2)/3
==>x=-0,231049060....≈-0.231