Show:
The Distributive Property
Combining Like Terms
Adding Expressions
Subtracting Expressions
Evaluating Expressions with substitution
100

3(2x + 2)

6x + 6 

100

Combine like terms:

6 + 3 - 5m + 9m

4m + 9

100

Add the expressions ...

(5x + 4) + (9x + 5)

14x + 9

100

Subtract the expressions ...

(5x + 4) - (3x + 2)

2x + 2

100

3x+4

where x=5

19

200

–2(a + 1)

-2a - 2

200

Combine like terms:

8a - 3a + 15b + 9b 

5a + 24b 

200

Add the expressions ...

(-x + 4) + (-2x - 5)

-3x - 1 

200

Subtract the expressions ...

(11x + 12) - (4x + 9)

7x + 3

200

4x+6−3x+1

where x=9

16

300

–4(5z + 2)

-20z - 8

300

Combine like terms:

4x - 3x + 12 + 19

x + 31

300

Add the expressions ...

(4x + 3) + (-2x + 7)

2x + 10

300

Subtract the expressions ...

 (3x + 8) - (2x + 5)

x + 3

300

5x−3y+2

where x=6,y=2

26

400

-5(m - 7) 

-5m + 35

400

Combine like terms:

2c - 3d + 5c + 4d

7c + d 

400

Add the expressions ...

(3x - 4) + (-2x - 9)

x - 13 

400

Subtract the expressions ... 

(9x + 9) - (2x + 1)

7x + 8 

400

10x+3y−8

where x=−2,y=4

-16

500

2v(-5v-4)

-10v2-8v

500

Combine like terms:

12m - 19x - 3m + 19x

9m

500

Add the expressions ...

(9x + 11) + (12x + 8)

21x + 19

500

Subtract the expressions ...

(8x + 8) - (-3x + 4)

11x + 4

500

6x−4y+9

where x=1,y=5

-5