Adding
5 + (- 8)
-3
7 - 13
-6
5 x 7
35
20 / 4
5
When the temperature is 30 degrees and increases 7 more degrees.
37 degrees
8 + (-7)
+1
- 4 - 12
-16
- 3 x 11
-33
72 / -9
-8
When the temperature is -10 degrees and goes down 4 more degrees.
-14 degrees
- 23 + 5
-18
7 - (- 5)
12
15 x - 2
- 30
-36 / 6
-6
When you have $360 in your bank account and then take out $400.
- $40
- 5 + (- 3)
-8
-15 - (- 10)
-5
- 12 x - 4
+ 48
-200 / -10
+20
When you are in debt $200, and 4 people pay you $20 (to pay off the debt).
-$120
- 4 + 2 + (- 8) + 10
0
15 - 3 - (-7) - 9
+ 10
(3)(-4)(2)(-1)(-5)
- 60
-56 / 2
-28
4a + 3b + 2a; when a= -1 and b = 3
+3