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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 = 10
What is -3
200

d - 7 = 9

What is 16

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 38
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 -136

400
x - 327 = -665
What is -338
400

11x = 275

What is 25

400
-28 = a/-13
What is 364
400

X/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