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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 + 2.4 = 3.7

What is 1.3

200

a + 13 = 100

What is 87

200

d - 7 = 91

What is 98

200

7x = 63

What is 9

200

x/4 = 14

What is 56

200

x - 1.2=5.5

What is 6.7

300

n + 18 = 123

What is 105

300

k - 83 =121

What is 204

300

5e = 400

What is 80

300

x/6 = 6

What is 36

300

x-0.8=9.8

What is 10.6

400

x + 360 = 10000

What is 9640

400

x - 3274 = 665

What is 3939

400

11x = 275

What is 25

400

28 = a/13

What is 364

400

c+4.8 = 5.5

What is 0.7

500

274 = c + 17

What is 257

500

986=x-191

What is 1177

500

756=21y

What is 36

500

80 = x/15

What is 1200

500

y+12.23452=12.23452

What is 0