document.write( "Question 276211: One number is 1 less than a second number. Twice the second number is 4 less than 3 times the first. Find the two numbers.\r
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Algebra.Com's Answer #201345 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! x=y-1 \n" ); document.write( "2y=3x-4 \n" ); document.write( "Repalce x in the second equation by (y-1) & solve for y \n" ); document.write( "2y=3(y-1)-4 \n" ); document.write( "2y=3y-3-4 \n" ); document.write( "2y-3y=-7 \n" ); document.write( "-1y=-7 \n" ); document.write( "y=-7/-1 \n" ); document.write( "y=7 ans. \n" ); document.write( "x=7-1 \n" ); document.write( "x=6 ans. \n" ); document.write( "Proof: \n" ); document.write( "2*7=3*6-4 \n" ); document.write( "14=18-4 \n" ); document.write( "14=14 \n" ); document.write( " |