SOLUTION: /-30 - (-12)/ A. -42 B. -18 C. 18 D. 42 I'm confused... I think the answer is 18 or -18 ?

Question 459634: /-30 - (-12)/
A. -42
B. -18
C. 18
D. 42
I'm confused... I think the answer is 18 or -18 ?

Found 2 solutions by sudhanshu_kmr, richard1234:
Answer by sudhanshu_kmr(1152) (Show Source): You can put this solution on YOUR website!

B. -18
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
-30 - (-12) = -18. I'm a little unsure whether the / signs indicate absolute value; if they do, the answer would be 18. Also, you should denote absolute value with | (Shift + \) signs.
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