Expressions and Equations

Evaluate Expressions

100

Evaluate 60-y for y=15 

45

200

Evaluate 14k for k=8 

112

300

Evaluate 10a-:5 for a=9 

18

400

Evaluate 4(p+6) for p=1 

28

500

Evalulate 72-: v^2 for v=3 

8

Combine Like Terms

100

 5x + 3 +2x 

7x +3

200

17t + 5 - 2t-3

15t + 2

300

-2 + 2r - 6 + 3r + 2

5r - 6

400

5d + 2e + 7d +8f + 4d - f

16d + 2e + 7f

500

9p^2 - 3p^2 + 13r

6p^2 + 13r

Distributive Property

100

3(a+7)

3a+21

200

6(3b-7)

18n-42

300

3(1.2y+0.8)

3.6y+2.4

400

-7(4q+10r-8)

-28q-70r+56

500

1/3(6g+15)

2g+5

1-Step Equations

100

x+12=20

x=8

200

5=x-17

x=22

300

3x=21

x=7

400

x/8=9

x=72

500

3=x/12

x=36

2-Step Equations

100

6x-8=4

x=2

200

10j+5=95

j=9

300

1/2n+40=55

n=30

400

1/3p+22=18

p=-12

500

-8a+11=-21

a=4