Tolong nomor 24 dan 25

Tolong nomor 24 dan 25

$24. : {2}^{x} = 0.25 \ {2}^{x} = {0.5}^{2} \ x = 2 \ maka : {x}^{2} = {2}^{2} = 4 : (c)$
$25. : {9}^{x} = 81 \ ( {3}^{2} ) {}^{x} = {3}^{4} \ 2x = 4 \ x = frac{4}{2} = 2 \ \ {2}^{y} = 8 \ {2}^{y} = {2}^{3} \ y = 3 \ \ maka : 2x + y = 2.2 + 3 = 7 : (a)$