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 -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 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
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