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 168.89

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 -136
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 -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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