Sagot :
Answer:
12
Step-by-step explanation:
-18-(-30)
Remove the parenthesis:
(When there is a "-" in front of an expression in an parenthesis change the sign of each term in the parenthesis)
= -18+30
Calculate the sum:
= 12
Answer:
12
Step-by-step explanation:
-18 - (-30)
negative + negative = positive
so the answer is +12