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 = 10
What is -3
200

d -17 =65

82

200

7x = -63

What is -9

200

x/4 = 8

What is 32

200

x-5.7=10.3

What is 16

300

n + (-8) = -14

What is -6

300

k - 83 =121

204

300

5e = 400

What is 80

300

x/6 = -6

What is -36

300

8x=1.6

0.2

400

x + 36 = 143

103

400

x - 327 = 665

992

400

-11x = 275

What is -25

400

28 = a/13

What is 364

400

d/2=0.45

0.9

500

63 = c + 27

36

500

a -163 = -392

-229

500

-21y = 756

What is 36

500

-80 = x/15

What is -1200

500

0.12 = y/0.12

What is 0.0144

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