Question

ayuden doy coronita ​

Answer 1

Explicación paso a paso:

${4}^{x + 1} + {4}^{x + 2} + {4}^{x + 3} = 336$

$(1 + 4 + {4}^{2} ) \times {4}^{x + 1} = 336$

$21 \times {4}^{x + 1} = 336$

${4 }^{x + 1} = 16$

${4}^{x + 1} = {4}^{2}$

$x + 1 = 2$

$x = 2 - 1$

$x = 1$

SOLUCIÓN

$x = 1$

A). 1

CON GUSTO :)