document.write( "Question 232943: solve by the subsitution method 6x-4y= -56
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document.write( " 8x+79=y what is the solution set. I came up with (-4,6) am I close \n" );
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Algebra.Com's Answer #172059 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! solve by the subsitution method \n" ); document.write( "6x-4y= -56 \n" ); document.write( "8x+79=y \n" ); document.write( "--------- \n" ); document.write( "y = 8x+79 \n" ); document.write( "Sub that into the other eqn \n" ); document.write( "6x-4y= -56 \n" ); document.write( "6x - 4(8x+79) = -56 \n" ); document.write( "6x - 32x-316 = -56 \n" ); document.write( "-26x = 260 \n" ); document.write( "x = -10 \n" ); document.write( "------- \n" ); document.write( "y = -1 \n" ); document.write( "------ \n" ); document.write( "--> (-10,1) \n" ); document.write( "------------ \n" ); document.write( "what is the solution set. I came up with (-4,6) am I close \n" ); document.write( "You're on the same coordinate set. \n" ); document.write( " |