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

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


   

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) About Me  (Show Source):
Answer by richard1234(7193) About Me  (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.