Question

Resolva a equação:
$1^{4+x} = 3^{x+2}$$1^{4+x} = 3^{x+2}$
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3

Answer 1

$\frac{1}{3}^{4+x}=3^{x+2}$
$3^{-1(4+x)}=3^{x+2}$     (cortam-se as bases)
$-1(4+x)=x+2$
$-4-x=x+2$
$-x-x=2+4$
$-2x=6$     $.(-1)$
$2x=-6$
$x= \frac{-6}{2}$
$x=-3$