Question

помогите решить пример 2^5-х=4,5*9^5-х

Answer 1

$2^{5-x}=4,5*9^{5-x}$

$2^{5-x}=\frac{9}{2}*9^{5-x} |*2$

$2^{5-x}*2=9*9^{5-x}$

$2^{6-x}=9^{6-x}$

$(\frac{2}{9})^{6-x}=1$

$(\frac{2}{9})^{6-x}=(\frac{2}{9})^{0}$

$6-x=0$

$x=6$