2007-09-11 07:39:09 · 9 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
-20
thats a no brainer
2007-09-11 07:44:06 · answer #1 · answered by Anonymous · 1⤊ 0⤋
- 20
- 20 + 18 + (- 7) + (- 11) =?
-2 - 7 - 11 = -20
2007-09-11 14:47:19 · answer #2 · answered by Anonymous · 0⤊ 0⤋
add from left to right.
-20 + 18 = -2
-2 - 7 = -9
-9 -11 = -20
-20 is your answer.
2007-09-11 14:48:59 · answer #3 · answered by james w 5 · 0⤊ 0⤋
Just work the problem through:
-20 + 18 = -2
then: -2 - 7 = -9
then: -9 - 11 = -20
Or easier way is to add up ( ) first:
-20 + 18 - 18 = (18 is zero'd out),
Answer = -20
2007-09-11 14:46:07 · answer #4 · answered by jemt113 2 · 0⤊ 0⤋
-20
2007-09-11 14:49:05 · answer #5 · answered by Cory L 2 · 0⤊ 0⤋
18 - 38 = - 20
2007-09-11 15:08:40 · answer #6 · answered by Como 7 · 0⤊ 0⤋
-20
2007-09-11 14:45:26 · answer #7 · answered by gebobs 6 · 1⤊ 0⤋
-20
2007-09-11 14:45:23 · answer #8 · answered by monkie 1 · 1⤊ 0⤋
-20...i guess!!
2007-09-11 14:47:26 · answer #9 · answered by Pretty Girl 3 · 0⤊ 0⤋