Expressions and Equations

Distribute

100

5( 1 - 7x)

5 - 35x

200

3(-6x + 7)

-18x + 21

300

-2 (10x + 7)

-20z -14

400

-4(-8x - 8)

32x + 32

500

-12 (3x - 5)

-36x + 60

Combine Like Terms

100

2x + 11 + 6x

8x + 11

200

x + 10 + 9x -9y

10x + 10 - 9y

300

12x + 5 + 3x - 5

9x

400

-3x - 9 + 8 + 5x 

2x -1

500

-10x + 34 - 60 + 2x

-8x - 26

One Step Equations 1

100

4x  = 12

x = 3

200

x/4  = 5

x = 20

300

x + 50 = 112

x=62

400

6 + x = 4

x = -2

500

x - 8 = -4

x = 4

One Step Equations 2

100

5n = 30

n = 6

200

13 + x = 26

x = 13

300

n - 9 = 12

n = 21

400

k/7 = -3

k = 21

500

-6x = -42

x = 7

Evaluate Expression

100

2x + 1

x =3

200

x² + 15   when x= 3

24

300

(3x - 2)^{2  when x = 4}

100

400

2x + 3y        when x = 5 and y = -2

  4

500

3x²

when x = 4