document.write( "Question 253413: solve the linear system:
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document.write( "2x = 3y
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document.write( "x+3y = 9
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Algebra.Com's Answer #185680 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! solve the linear system: \n" ); document.write( "2x = 3y \n" ); document.write( "x+3y = 9 \n" ); document.write( "-------------- \n" ); document.write( "Modify: \n" ); document.write( "x = (3/2)y \n" ); document.write( "--- \n" ); document.write( "Substitute for \"x\" and solve for \"Y\": \n" ); document.write( "(3/2)y + 3y = 9 \n" ); document.write( "(9/2)y = 9 \n" ); document.write( "(1/2)y = 1 \n" ); document.write( "y = 2 \n" ); document.write( "----- \n" ); document.write( "Since x = (3/2)y, x = (3/2)2 = 3 \n" ); document.write( "------------------------------------ \n" ); document.write( "Solution: x=3;y=2 \n" ); document.write( "====================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |