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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 = -10
What is -40
200
x - 2.5 = 5
What is 7.5
300
n + (-8) = -14
What is -6
300
k - 20 =121
What is 141
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 - 300 = -200
What is 100
400
-11x = 22
What is -2
400
-22 = a/-2
What is 44
400
c/-0.29 = 5.5
What is -1.595
500
-25 = c + 25
What is -50
500
a - 52 = -2
What is 50
500
-20x = -80
What is 4
500
-80 = x/2
What is -160
500
0.12 = y/0.12
What is 0.0144