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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 = 5.7
What is 2
200
a + 13 = 16
What is 3
200
d - 7 = 9
What is 16
200
7x = 63
What is 9
200
x/4 = 14
What is 56
200
2.2 + x = 4.3
What is 2.1?
300
n + 6 = 14
What is 8
300
k - 83 =121
What is 204
300
5e = 400
What is 80
300
x/6 = 6
What is 36
300
5.6 + x = 6
What is -.40
400
x + 36 = 100
What is 64
400
x + 327 = 665
What is 338
400
11x = 275
What is 25
400
x/3 = 10
What is 30
400
1.6 - x = 1
What is .6
500
27 = c + 27
What is 0
500
n + 385 = 392
What is 7
500
21y = 756
What is 36
500
x/4=7
What is 28
500
0.90 + m = 1.30
What is 0.40