Quis pro math ✔ Pertanyaan di File Gambar ya?!!

Quis pro math ✔ Pertanyaan di File Gambar ya?!!

${4}^{x + 1} = {8}^{x - 1}$

$( {2}^{2} {)}^{x + 1} = ( {2}^{3} {)}^{x - 1}$

${2}^{2x + 2} = {2}^{3x - 3}$

Karena basis sudah sama maka kita selesaikan pangkatnya :

$2x + 2 = 3x - 3$

$2x - 3x = ( - 2) - 3$

$- x : = - 5$

$x : = 5$

#GG