8th Grade Review - Math Connections

- & + Integers

100

- 8 - ( - 6 )

- 2

200

- 5 + 6

1

300

(-5) - (3)

- 8

400

-16 / 8

- 2

500

6 x - 9 

- 54

Add + Subtract Linear Expressions

100

( 2 x + 5 ) + ( x + 5 )

3x + 10

200

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

2

300

( 4 x + 2 ) + (1 + x )

5 x + 3 

400

( 3 x + 1 ) - ( 4 - 2 X ) + ( 2 + x )

6 x - 1

500

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

5 x - 1 

Expand Linear Expressions

100

7 ( x + 4 )

7 x + 28

200

9 ( 5 x + 3 ) - 2 x

43 x + 27

300

8 ( 3 x - 5 )

24 x - 40

400

8 ( - x + 9 ) + 3 x + 5 

- 5 x + 77

500

7 ( - 8 x - 6 ) + 4 x + 2

- 52 x - 40

Factoring Equations

100

8 x + 24

8 ( x + 3 )

200

5 x - 20

5 ( x - 4 )

300

9 x + 12 

3 ( 3 x + 4 )

400

27 x - 9

9 ( 3 x - 1 )

500

10 x - 45

5 ( 2 x - 9 )

Solve for X

100

20 = 6 x + 8

x = 2

200

- 9 + 8 x = 15

x = 3

300

4 ( x + 2 ) = 28

x = 5

400

1/2 ( x - 4 ) = 10

x = 24

500

3/5 x + 5 = - 25

x =  - 50