document.write( "Question 821850: What is the x and y values of this system of equations
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\n" ); document.write( "\n" ); document.write( " I have tried and the y value came out undefined but if y is undefined I have nothing to plug in for y to find the x value \n" ); document.write( "

Algebra.Com's Answer #494464 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "-2x - 9y = -25
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document.write( "-4x - 9y = -23 \r
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document.write( "-2x - 9y = -25    
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document.write( "-(-4x - 9y = -23)   |subtracting the 2nd EQ from the 1st to eliminate y
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document.write( "-2x - 9y = -25    
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document.write( "4x + 9y =23)
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document.write( "   2x  = -2
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document.write( "     x = -1    and y = 3  ,  9y = 27 , y = 3
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document.write( "Pt (-1, 3) the solution for this system of Equations
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document.write( "CHECKING our answer***
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document.write( "Using -2x - 9y = -25
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document.write( "        2 -27 = -25\r
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document.write( "   \n" );
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