Addition
Subtraction
Multiplication
Division
Decimals
100
x + 4 = 25
What is 21
100
x - 2 = 6
What is 8
100

9x = 27

What is 3

100

y/6 = 2

What is 12

100

m + 3.7 = 5.0

What is 1.3

200
a + 13 = 10
What is -3
200

d - 7 = 23

What is 30

200

7x = 63

What is 9

200

x/4 = 14

What is 56

200

x + 66.09 = 102.8

What is 36.71

300

n + 8 = 14

What is 6

300

k - 2 =121

What is 123

300

5e = 400

What is 80

300

x/6 = 6

What is 36

300

5.6 = 0.8x

What is 7

400

x + 36 = 100

What is 64

400

x - 327 = 1

What is 328

400

11x = 275

What is 25

400

28 = a/7

What is 196

400

c/0.29 = 5.5

What is 1.595

500

27 = c + 27

What is 0

500

a - 7 = 1

What is 8


500

21y = 63

What is 3

500

80 = x/15

What is 1200

500

6.30 = 3x

What is 2.1

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