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Arithmetic

100

15 + 17 =

32

200

6 x 4 =

24

300

113.5 - 17.2 =

96.3

400

(8 + 6) x 9

126

500

(((3.5 x 10) + 65) ÷ 5) =

7

Variables

100

a + 22 = 37.  a = ??

a = 15

200

b - 27 = 18, b = ???

45

300

c + 2.89 = 61

58.11

400

10d - 5 = 9d + 17, d =???

d = 22

500

5e + 6 = 3e + 10, e = ??

e = 2

If y = 3

100

y + 18 =

21

200

21 - 2y = 

15

300

3y + 37 =

46

400

y² + 3y =

18

500

7y - y³ + y² =

3

Expression

100

Add 9 to y

y + 7

or 

7 + y

200

Multiply 6 and e

4e

300

The difference between 10 and r 

10 - r

400

The sum of one-fourth and the product of 3 and y. 

1/4 + 3y

500

The difference of one-eighth and the of the product of one-third, 5, x, and y

1/8 - 5xy/3

Exponents

100

y² x y x y³ x y

y⁷

200

a²b x ab x c x abc

a⁴b³c³

300

2ab x 3b x 2abc

12a²b²c

400

10a³bc⁴ /  2a³bc

5c³

500

(2a³b x 10ab²) / 5a³b⁴

3a / b