document.write( "Question 15920: If x-1/3y=3, then the value of 3x-y-6=? \n" ); document.write( "
Algebra.Com's Answer #7842 by Maricel Balos(8)![]() ![]() ![]() You can put this solution on YOUR website! Sol'n:\r \n" ); document.write( "\n" ); document.write( "x-1/3y=3 then 3x-y-6=?\r \n" ); document.write( "\n" ); document.write( "x-1=3(3y) \n" ); document.write( "x-1=9y \n" ); document.write( "x=9y+1\r \n" ); document.write( "\n" ); document.write( "3x-y-6=3(9y+1) \n" ); document.write( "3x-y-6=27y+3 \n" ); document.write( "3x=27y+y+3+6 \n" ); document.write( "3x=28y+9 \n" ); document.write( "x=28y/3+9/3\r \n" ); document.write( "\n" ); document.write( "28y/3+9/3=9y+1 \n" ); document.write( "28y+9=3(9y+1) \n" ); document.write( "28y+9=27y+3 \n" ); document.write( "28y-27y=3-9 \n" ); document.write( "y=-6\r \n" ); document.write( "\n" ); document.write( "x=9y+1 \n" ); document.write( "x=9(-6)+1 \n" ); document.write( "x=-54+1 \n" ); document.write( "x=-53\r \n" ); document.write( "\n" ); document.write( "therefore the sol'n is x=-53 and y=-6 the sol'n set is (-53,-6) \n" ); document.write( "the graph is a straight line that lies on the 4th quadrant\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |