Write Expression
Write expression with one variable
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Substitute/ Distributive Property
100

15 minus 5

15 - 5 

100

12 less than a number x is 19

x - 12 =19


100


x − 5 = 9


x = 14

100

5a = 20

a = 4

100

a= 4

8 + a 

8 + 4 = 12

200

twice a number x


2x

200

One-third of a number w is 16.


1/3w = 16

200


y − 12 = 0


y = 12

200

x/4 = 8

x = 32

200

b = 10 

b - 7 =

10 - 7 = 3

300

the total of a number c and 3


c + 3 

or 

3 + c

300

A number q divided by 5 is 8.


q/5 = 8

300

3b = 9


b = 3

300

28 = 4n

n = 7

300

10 ( 5 + a) 

50 + 10a 

400

the quotient of a number m and 4


m/4

400

82 is 4 multiplied by a number k.


82 = 4k 

or 

4k = 82

400

t ÷ 3 = 6


t =18

400

140 = 20p

p = 7

400

5 (3x + 1) 

15x + 5

500

12 more than the product of 5 and a number 2


12 + 5(2)

500

You pay $13.50 for a movie ticket and snacks. The snacks cost $6.95. Write an equation you can use to find the price p of a movie ticket.


$13.50 = $6.95 + p

or 

$6.95 + p = $13.50

500

20 = 8 + y

y = 12

500

x/8 = 72

x = 576

500

a = 35 

b = 7 

a/b = 

35 / 7 = 5