document.write( "Question 321141: I need help to solve by substitution or addition, whichever one is easier. Please show me in detail how to work this problem.\r
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document.write( "2y - x = 3
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document.write( "x = 3y - 5
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Algebra.Com's Answer #229973 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 2y - x = 3 \n" ); document.write( "x = 3y - 5 \n" ); document.write( ".. \n" ); document.write( "2y-x=3 \n" ); document.write( "x-3y=-5 \n" ); document.write( ".. \n" ); document.write( "Add both the equations \n" ); document.write( "2y-x+x-3y=3-5 \n" ); document.write( "-y=-2 \n" ); document.write( "y=-2/-1 \n" ); document.write( "y=2 \n" ); document.write( "plug the value of y in any of the equations \n" ); document.write( "2y-x=3 \n" ); document.write( "2*2-x=3 \n" ); document.write( "4-x=3 \n" ); document.write( "-x=-4+3 \n" ); document.write( "-x=-1 \n" ); document.write( "x=1 \n" ); document.write( " |