document.write( "Question 108675: 4x-12y=5
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document.write( "-x+3y=-1
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document.write( "solve by substitution\r
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document.write( "tried it like this 4(3y-1)=5 but it was not comming out right
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Algebra.Com's Answer #79245 by edjones(8007) You can put this solution on YOUR website! A) 4x-12y=5 \n" ); document.write( "B) -x+3y=-1 \n" ); document.write( ". \n" ); document.write( "B)-x+3y-3y=-3y-1 \n" ); document.write( "-x=-3y-1 \n" ); document.write( "x=3y+1 multiply -1 times each side. \n" ); document.write( ". \n" ); document.write( "A) 4(3y+1)-12y=5 \n" ); document.write( "12y+4-12y=5 \n" ); document.write( "4=5 There is no answer to this system. \n" ); document.write( ". \n" ); document.write( "Here is a graph of the system. \n" ); document.write( "The lines are parallel; they have the same slope.\r \n" ); document.write( "\n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |