SOLUTION: Here is the problem. Find the missing co-efficient and write the completed equation Ax + 3y = 5 (2,1). We have answers from the teacher and our answer doesn't match

Question 252948: Here is the problem. Find the missing co-efficient and write the completed equation Ax + 3y = 5 (2,1). We have answers from the teacher and our answer doesn't match
Found 2 solutions by hokies, drk:
Answer by hokies(65) (Show Source): You can put this solution on YOUR website!
A=1. (Plug in x=2 and y=1 and solve for A)
Answer by drk(1908) (Show Source): You can put this solution on YOUR website!
Here is the original problem:

with coordinate (2,1).
substitute X and Y into the equation to get

So, the equation should be:
x + 3Y = 5.
Hope that is what you were looking for.
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