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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
x/-3 = -6
What is 18
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
(1/2) x = 3
What is 6
200
x + 66.09 = 102.8
What is 36.71
300
p-24 = 13
What is 37
300
k - 83 =121
What is 204
300
-5e = -400
What is 80
300
(2/3)x =-16
What is -24
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
(2/5)t = -10
What is -25
400
c/-0.29 = 5.5
What is -1.595
500
-27 = c + 26
What is -53
500
a +164 = -392
What is -556
500
-21y = -756
What is 36
500
-80 = x/15
What is -1200
500
0.12 = y/0.12
What is 0.0144