document.write( "Question 103320: Solve the following system by elimination.
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document.write( "1/3x + 1/2y = -3
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document.write( "1/3x + 3y = -8\r
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document.write( "the solution is ____ should be an ordered pair \n" );
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Algebra.Com's Answer #75119 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 1/3x + 1/2y = -3 \n" ); document.write( "1/3x + 3y = -8 \n" ); document.write( "---------------------------- \n" ); document.write( "Subtract the 1st equation from the 2nd to get: \n" ); document.write( "(5/2)y = -5 \n" ); document.write( "y = -2 \n" ); document.write( "------------ \n" ); document.write( "Substitute into (1/3)x + (1/2)y = -3 to solve for \"x\": \n" ); document.write( "(1/3)x + (1/2)(-2) = -3 \n" ); document.write( "(1/3)x -1 = -3 \n" ); document.write( "(1/3)x = -2 \n" ); document.write( "x = -6 \n" ); document.write( "---------------- \n" ); document.write( "Solution: x=-2,y=-6 \n" ); document.write( "======================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |