Tìm x, biết:

Tìm x, biết:
a) 8( 2 .(-x) -4 ) = 0
b) ( -20 ) .( x - 35 ) + 120 = 0
c) ( 2x + 74) - ( -318 ) = 200
d) 3636 : ( 12x - 91 ) = -36
e) ( x : 23 + 45 ) . ( -67 ) = 8911