document.write( "Question 1181614: What is the solution to the system?
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document.write( "-x-2y=2\r
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document.write( "2x+3y=-3
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Algebra.Com's Answer #853585 by CPhill(2189) You can put this solution on YOUR website! -x-2y=2 -----------------1 \n" ); document.write( "2x+3y=-3------------------2 \n" ); document.write( "multiply (1) by 2 \n" ); document.write( "we get \n" ); document.write( "-2x-4y=-4 Add this to eq (2) \n" ); document.write( "2x+3y=-3 \n" ); document.write( "-y =-7 \n" ); document.write( "y=7 \n" ); document.write( "plug y in eq(1) \n" ); document.write( "-x -2*7=2 \n" ); document.write( "-x= 16 \n" ); document.write( "x= -16 \n" ); document.write( "solution ( -16,7) \n" ); document.write( " |