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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 = -11
What is -44
200
x + 64.3 = 102.8
What is 38.5
300
n + (-8) = -14
What is -6
300
k - 15 =-5
What is 10
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 - 32 = -67
What is -35
400
-11x = 77
What is -7
400
-12 = a/-9
What is 108
400
c/-0.29 = 5.5
What is -1.595
500
-27 = c + 27
What is -56
500
a - 14 = -2
What is 12
500
-4y = -24
What is 6
500
-13 = x/5
What is -65
500
0.12 = y/7
What is 0.84