A. 2 − 3 = 4 − = −2 = −3 2 = 3 B. 4 + 3 = 4 − = −4 = 3 4 = − 3 C. −2 + 3 = 6 − = −(−2) = 3 2 = 3 D. 2 − 5 = 0 − = −2 = −5 2 = − 5 22