document.write( "Question 284193: Solve the system by elimination:
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document.write( "x-y=8
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document.write( "x-2y=10 \n" );
document.write( "
Algebra.Com's Answer #206203 by stanbon(75887) ![]() You can put this solution on YOUR website! Solve the system by elimination: \n" ); document.write( "x-y=8 \n" ); document.write( "x-2y=10 \n" ); document.write( "----- \n" ); document.write( "Subtract the 2nd equation from the 1st and solve for \"y\": \n" ); document.write( "y = -2 \n" ); document.write( "--- \n" ); document.write( "Substitute to solve for \"x\": \n" ); document.write( "-2-y = 8 \n" ); document.write( "y = -2-8 \n" ); document.write( "y = -10 \n" ); document.write( "============= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |