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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 + 3.7 = 2.4
What is -1.3
200

a + 13 = 30

What is 17

200

d - 7 = 13

What is 20

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 -24

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 -338

400
-11x = 275
What is -25
400
-28 = a/-13
What is 364
400

c/0.29 = 5.5

What is 1.595

500
-27 = c + 27
What is -56
500

a -163 = 392

What is 555

500
-21y = -756
What is 36
500
-80 = x/15
What is -1200
500
0.12 = y/0.12
What is 0.0144