SOLUTION: If (a,3) is a point on the graph of the equation 2x + 3y = 5 then the value of a is?

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Question 392915: If (a,3) is a point on the graph of the equation 2x + 3y = 5 then the value of a is?
Found 2 solutions by mananth, josmiceli:
Answer by mananth(16949) About Me  (Show Source):
You can put this solution on YOUR website!
If (a,3) is a point on the graph of the equation 2x + 3y = 5 then the value of a is?
2x+9=5
2x=-4
x=-2
a=-2

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
2x+%2B+3y+=+5
(a,3) means when x+=+a, y+=+3
Plug x+=+a, and y+=+3 into the equation
2a+%2B+3%2A3+=+5
2a+=+25+-9
2a+=+16
a+=+8