Write Expressions
Evaluate Expressions
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Variables
PEMDAS
100

The sum of 10 and c

10 + c

100

40 - x when x = 3

37

100

fifteen increased by d is 89

15 + d = 89

100

What is the variable in the expression?

4n + 2

n

100

15 - 2 + 4

17

200

x decreased by 117

x-17

200

c - d if c=28 and d=-2

30

200

Twice a number added to 40 is 150

2x + 40 = 150

200

What do I use to represent a variable?

any lowercase letter

200

2(8-5)/2

3

300

3 added to the product of y and 7

7y + 3

300

c/5 + 43 when c = 50

53

300

Four less than three times a number is 99.

3x-4 = 99

300

How many x's are there?

3x + 4x + 10x

17x

300

52 + 4- 1 

40

400

fifteen divided by three

15/3

400

2(4y-14) when y = 5

12

400

the quotient of four times a number and 16 is 173

4x/16 = 173

400

How many different variables are in this expression?

3a + 5b + 7c

3

400

100/5 -15 + 4

9

500

twice a number plus 25

2x + 25

500

ab + c when a=8, b=5 and c=-2

38

500

five added to the product of 10 and a number is equal to 62

10x + 5 = 62

500

Does 4x + 6y = 10?

Explain

No.  I cannot add different variables together 

500

You make up a (reasonable) PEMDAS problem for everyone

:)

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