Question

Помогите решить уравнение 5*(4^x-1 )+4^x=36

Answer 1

$5*4^{(x-1)} + 4^{x} =36$
$frac{5}{4} * 4^{x} + 4^{x} =36$
$frac{9}{4} * 4^{x} =36$
$4^{x} =16= 4^{2}$
x = 2

Answer 2

20x-5+4x=36
24x-5=36
24x=36+5
24x=41
x=41/24