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Expressions
Add and Subtract Equations
Multiply and Divide Equations
Combining Like Terms
Vocabulary
100

x + 2

x=4

6

100

x + 2 = 5

x=3
100

2k = 10

k = 5

100

2x + 2x

4x

100

How many terms are in this expression?

3x + 2

2

200

r - 10

r = 25

15

200

5 + v = 15

v=10

200

4a = 16

a=4

200

5y - 2y

3y

200
What is the variable in this expression?


3+r

r

300

3y

y=6

18

300

f - 20 = 60

f=80

300

12w=36

w = 3

300

6e + 7e + 2d

13e + 2d

300
What is the coefficient in this expression?


4f - 2

4

400

2h + 5

h=10

25

400

d - 100 = 250

d=350

400

u/10 = 6

u = 60

400

x + 6x + 3x - 4x

6x

400

What is the constant in this expression?

3r + 7

7

500

j/2 + 7

j=10

12

500

e - 26 = 74

e = 100

500

z/3 = 15

z=45

500

4d + 2k + 3d + 7k

7d + 9k

500

Is this an expression or an equation?

3 - f = 7

equation