Show:
Adding Integers
Combining Like Terms
Subtracting Integers
Multiplying Integers
100

5+(-2)=

3

100

5x+7x+3x=

15x

100

5-3=

2

100

-7x(-9)=

72

200

-3+7=

4

200

3y+7y+9y=

19y

200

-5-(-4)=

-1

200

-1x3=

-3

300

-9+(-5)=

-14

300

10t+2t+3t=

15t

300

10-(-8)=

2

300

5x(-8)=

-40

400

10+(-12)=

-2

400

2a+3b+2a=

4a+3b

400

12-(-6)=

18

400

-6x(-5)=

30

500

8+(-10)=

-2

500

7x+9y+10x+8y=

17x+17y

500

4-7=

-3

500
-20x3=

-60