Question

5. Simplify 40 - (-30) - (-2) is
a. -72
b. 72
c. -62
d. 62​

Answer 1

40 - (-30) - (-2)

--> 40 + 30 + 2

--> 70 + 2

--> 72

∴Option B, 72 is the answer

Answer 2

Answer:

sign change

=40+30+2 (- , - = +)

= 72