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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 + 1.7 = 2.4
What is 0.7
200
a + 13 = 20
What is 7
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 = 20
What is 12
300
k - 83 =121
What is 204
300
-5e = -400
What is 80
300
x/6 = -6
What is -36
300
5.6 = 0.8 + x
What is 4.8
400
x + 36 = -100
What is -136
400
x - 327 = 665
What is 992
400
-11x = 275
What is -25
400
-28 = a/-13
What is 364
400
c - 2.5 = 6
What is 8.5
500
27 = c + 27
What is 0
500
a - 163 = -392
What is -229
500
-21y = -756
What is 36
500
-80 = x/15
What is -1200
500
p + 3.5 = 3.5
What is 0