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 = 2.4
What is -1.3
200

a + 10 = 13

What is 3

200

d - 7 = 9

What is 2

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 - 83 =121

What is 204

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 = 665

What is 992

400

11x = 121

What is 11

400

2 = a/13

What is 26

400
c/-0.29 = 5.5
What is -1.595
500

27 = c + 27

What is 0

500

a -163 = 392

What is 555

500

20y = 840

What is 42

500

80 = x/15

What is 1200

500
0.12 = y/0.12
What is 0.0144
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