# Simultaneous Linear Equations Help [closed]

If (5,k) is a solution of the equation 2x+y-7=0, find the value of k.

There is no k in the equation. I am not understanding where k came from. Please help me understand.

### Closed for the following reason
**question is off-topic or not relevant** by
*slelievre *

close date 2014-07-18 20:18:56.026641

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