SOLUTION: If x=y-9, and y-4=10 x=?

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Question 1088629: If x=y-9, and y-4=10 x=?
Answer by ikleyn(52776) About Me  (Show Source):
You can put this solution on YOUR website!
.
x = y-9 = (y-4) - 5 = 10 - 5 = 5.

Answer: x = 5.


The lesson to learn from this solution:

        You do not need to solve the system to get the answer.