Question

Solucione a equação log3 (2x - 1) = 4

Answer 1

Resposta:

x = 40

Explicação passo-a-passo:

$log_3~(2x-1)=4\\\\2x+1=3^4\\\\2x+1=81\\\\2x=81-1\\\\2x=80\\\\x=80 \div 2\\\\x=40$