Tìm x, biết: 4(18 - 5x) - 12(3x - 7) = 15(2x - 16) - 6(x + 14)
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2. Tìm x, biết:
a) 4(18 - 5x) - 12(3x - 7) = 15(2x - 16) - 6(x + 14) ;
b) 5(3x + 5) - 4(2x - 3) = 5x + 3(2x + 12) + 1 ;
c) 2(5x - 8) - 3(4x - 5) = 4(3x - 4) + 11 ;
d) 5x - 3|4x - 2[4x - 3(5x - 2)]| = 182.