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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 -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 = -40

What is 8

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

-1x = 27

What is -27

400

-8 = a/-2

What is 16

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

-10y = -100

What is 10

500

-9 = x/7

What is -63

500
0.12 = y/0.12
What is 0.0144