C. 2+ (-1) = -1
D. 8 + (-9) = -1
17. Which of the following statements is FALSE ?
A. (-7) + (-6) = -13
B.(-5) + 1 = 4
18. The sum of two same numberd with unlike signs is always
A. Positive
B. Negative
C. Zero
19. What must be added to 9 if the sum is (-17) ?
A. 26
B. -26
C. 12
20. The value of 6-(-3) is
A. 3
D. One
D.-12
B. -3
C. 9
D. -9
21. Which of the following statements is TRUE?
A. 7-4 = 4-7
B, 7-4 > 4-7
C. 7-4 <4-3
D. 7-4 = -3
ic CASE​