A) ( x + 2 )^2 - ( x + 1/2 ) * ( - x - 2 ) ≥ 0. b) 10 * ( x + 1 ) - | 3 * x - 5 | = 5 * ( 2x - 3 ). c) ( x + 2 ) / 505 + ( x + 3 ) / 2015 = ( x + 6 ) / 1006 + ( x + 506 ) / 504. d) 5 * | 2x - 3 | = | x + 2 |