Tìm x biết: 4(x + 2) - 7(2x - 1) + 9(3x - 4) = 30

Tìm x, biết:
a/ 4(x + 2) - 7(2x - 1) + 9(3x - 4) = 30
b/ 2(5x - 8) - 3(4x - 5) = 4(3x - 4) + 11
c/ 5x(1 - 2x) - 3x( x + 18) = 0
d/ 5x - 3{4x - 2[4x - 3(5x - 2)]} = 182