SOLUTION: How do i set problem so i can solve it when the sum of a number and 3 is subtracted from 10 the result is 5.

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Question 836579: How do i set problem so i can solve it when the sum of a number and 3 is subtracted from 10 the result is 5.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
the sum of a number and 3 is subtracted from 10 the result is 5.
10 - (n + 3) = 5
remove brackets, a neg outside changes the signs
10 - n - 3 = 5
-n + 7 = 5
-n = 5 - 7
-n = -2
therefore
n = 2