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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 168.89

300

n + 8 = -14

What is -22

300

k - 83 =12

What is 95

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 - 32 = -66

What is -34

400
-11x = 275
What is -25
400
-28 = a/-13
What is 364
400

c/0.29 = 5.5

What is 1.595

500
-27 = c + 27
What is -56
500

a - 16 = -39

What is -55

500
-21y = -756
What is 36
500
-80 = x/15
What is -1200
500
0.12 = y/0.12
What is 0.0144