Question

2 la puterea 31+2 la puterea 30+2 la puterea 29=x•2 la puterea 28
Va rog frumos am nevoie urgent. ๏╭╮๏

Answer 1

$2^{31} + 2^{30} +2^{29} =x \cdot 2^{28}$
$2^{28}(2^{3}+2^2+2)=x \cdot 2^{28}$
$x= 2^{3}+2^2+2=14$