a + 10 = 13
What is 3
d - 7 = 9
What is 16
n + 8 = 14
What is 6?
k - 83 =121
What is 204
x + 36 = 100
What is 64
x - 3 = 66
What is 69
27 = c + 27
What is 0?
a - 500 = 901
What is 1401
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