Question

Na equação log, (2x+10)=2, o valor de x é:

(a) 2

(b) 3

(c) 4

(d) 5​

Answer 1

Resposta:

(b) 3

Explicação passo a passo:

$\log _4\left(2x+10\right)=2\\\\2x+10=4^2\\\\2x+10=16\\\\2x=16-10\\\\2x=6\\\\x=\frac{6}{2}\\\\x=3$