Olá!
[tex]43.9x^{8.2}=359.89\quad :\quad x=\left(\frac{35989}{4390}\right)^{\frac{5}{41}}\quad \left(\mathrm{Decimal}:\quad x=1.29249\dots \right)[/tex]
[tex]43.9x^{8.2}=359.89[/tex]
[tex]\mathrm{Multiplicar\:ambos\:os\:lados\:por\:}100[/tex]
[tex]43.9x^{8.2}\times \:100=359.89\times \:100[/tex]
[tex]\mathrm{Simplificar}[/tex]
[tex]4390x^{8.2}=35989[/tex]
[tex]\mathrm{Dividir\:ambos\:os\:lados\:por\:}4390[/tex]
[tex]\frac{4390x^{8.2}}{4390}=\frac{35989}{4390}[/tex]
[tex]x=\left(\frac{35989}{4390}\right)^{\frac{5}{41}}[/tex]
[tex]x=\left(\frac{35989}{4390}\right)^{\frac{5}{41}}[/tex]
Espero ter ajudado!
Bons estudos!
