Solving equations by adding or subtracting
1: -11 + 6 = -5
2: 5 - 8 = -3
3: 23 - 2 = 21
4: -9 + 9 = 0
5: -30 + 10 = -30
6: -15 + 15 = 0
7: -31 + 12 = -19
8: 19 - 11 = 8
Solving equations by multiplication
1: 7
2: 48/4
3: 4
4: -225
5: -1
6: 0
7: -31
8: -98
