document.write( "Question 376520: solve the system x+2y=4 and x-2y=-8 by any method. \n" ); document.write( "

Algebra.Com's Answer #267852 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( "Solving using elimination of the y variable
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document.write( "x+2y =4 
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document.write( "x-2y=-8
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document.write( "2x = -4
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document.write( "x = -1
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document.write( "Solving for y
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document.write( "x+2y =4 
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document.write( "-1 + 2y = 4
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document.write( "2y = 5
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document.write( "y = 5/2
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document.write( "CHECKING our Anwer
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document.write( "-1 + 2*(5/2) = -1 + 5 = 4 \n" );
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