Unit 3 Review - Expressions

Combining Like Terms

100

3x + 4x + 7

7x + 7

200

6x + 2 - 5x

x + 2

300

-2x + 11 + 6x

4x +11

400

n + 4 - 9 - 5n

-4n-5

500

-3x - 9+15x+8+(-6x)

6x - 1

Distributive Property

100

7(1 + 3m)

7 + 21m

200

3(6+10n)

18 + 30n

300

-5(9n - 9)

-45n + 45

400

-(9 - 10n)

-9 + 10n

500

-3(10b+3c - 8)

-30b - 9c +24

Factoring

100

4n + 12

4(n + 3)

200

16b + 64

16(b+4)

300

-6b + 8

2(-3b + 4) or -2(3b - 4)

400

30v + 40

10(3v+4)

500

-15x - 50

-5(3x + 10)   or
5(-3x + -10)

Distribute and CLT

100

5(3x + 2) + 3

15x + 13

200

4x -3(3x + 5)

-5x - 15

300

6(5x - 2) - 3 + 5x

35x -15

400

8 - 3(7x + 2)

-21x + 2

500

-3(4x + 5)+9(5x + 3)

33x - 12

Substitution

100

Solve y(y-2) if y = 5

15

200

Solve 3x - 5 if x = -3

-14

300

Solve 5(x + y) + 12 if x = 3 and y = 7

62

400

Solve 2x(x+4) if x = 7

154

500

15 - 2(4x - 3) + 3y if x = 2 and y = 5

20