Tìm x : ( x + 5 ) . 2^3 - 2^2 . 5 = 2^5 . 3 . 5

Tìm x :
a) ( x + 5 ) . 2^3 - 2^2 . 5 = 2^5 . 3 . 5
b) 2773 . ( x + 32 ) - 47 = 0
c) [ 23 - ( 16 - x ) .2 + 2 ] . 5 - 13 = 22
d) ( x - 42 ) : 22 + 2^3 . 5 = 2^2 .3 + 5^2