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Oh, dude, the sum of q and 8 is just q + 8. Like, you literally just add q and 8 together, that's it. It's not rocket science, unless you're trying to do math on a rocket, then I guess it would be rocket science.
21-q
p/q form
There can be no number with an odd sum of 8 because 8 is not odd!
N - 8
The sum of a number x and 84
q+8
Oh, dude, the sum of q and 8 is just q + 8. Like, you literally just add q and 8 together, that's it. It's not rocket science, unless you're trying to do math on a rocket, then I guess it would be rocket science.
the sum of q plus 5!
21-q
This is simple algebra. Let the unknown number be n. Then the sum of this number and 8 = n + 8.
the sum of 8 and 4 times a number is 36
five times the sum of a number and 8 is -15.
p/q form
Assume the two numbers are P & Q, the equation is P + Q = 53, rearranging this gives Q = 53 - P
There can be no number with an odd sum of 8 because 8 is not odd!
N - 8