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Question 341959: Can you please help me answer this question? Or can you help me figure out how to do it. please?
if (x,y) satisfies both equations 2x+3y=7 and 2x-3y=4 then x is....
Do you have to draw a graph? or do you have to set them equal to x or to y?
thankyou for your time i appreciate it :)
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! If (x,y) satisfies both equations 2x+3y=7 and 2x-3y=4 then x is....
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You could find x by graphing, or by substitution, or by elimination.
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Using elimination I get:
2x+3y = 7
2x-3y = 4
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Add the two equation to get:
4x = 11
x = 11/4
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Cheers,
Stan H.
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