SOLUTION: For what value of k, will the point (k, k+1) lie on the line y=3x-1?

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Question 962123: For what value of k, will the point (k, k+1) lie on the line y=3x-1?
Found 2 solutions by Fombitz, josmiceli:
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Duplicate Question
See Answer 587779

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
The format for points is:
( x, y ), so given ( k, k+1 ), I have:
+x+=+k+
+y+=+k+%2B+1+
--------------
+y+=+3x+-+1+
+k%2B1+=+3k+-+1+
+2k+=+2+
+k+=+1+
and
+k+%2B+1+=+1+%2B+1+
+k+%2B+1+=+2+
---------------------
When +k+=+1+, the point
( k, k+1 ) is on the line
----------------------
check:
+y+=+3x+-+1+
+2+=+3%2A1+-+1+
+2+=+3+-+1+
+2+=+2+
OK