Which equations are true? choose all answers that apply: choose all answers that apply: (choice a) a x = − x + x + 0 + x x=−x+x+0+xx, equals, minus, x, plus, x, plus, 0, plus, x (choice b) b x = 0 + ( x + 0 ) x=0+(x+0)x, equals, 0, plus, left parenthesis, x, plus, 0, right parenthesis (choice c) c none of the above stuck? watch a video or use a hint.