document.write( "Question 334823: Please help solve by substitution method.\r
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document.write( "y = x + 4
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document.write( "3y -5x = 6 \n" );
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Algebra.Com's Answer #239904 by erikaii.19(2)![]() ![]() ![]() You can put this solution on YOUR website! y = x + 4 \n" ); document.write( "3y -5x = 6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "a) 3y-5x=6 \n" ); document.write( " 3(x+4)-5x=6 \n" ); document.write( " 3x+12-5x=6 \n" ); document.write( " -2x=6-12 \n" ); document.write( " -2x=-6 \n" ); document.write( " x=3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "b) y=x+4 \n" ); document.write( " y=3+4 \n" ); document.write( " y=7\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "CHECKING\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " 1) 7=3+4 \n" ); document.write( " 7=7\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " 2) 3(7)-5(3)=6 \n" ); document.write( " 21-15=6 \n" ); document.write( " 6=6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( ":) \n" ); document.write( " |