document.write( "Question 448793: A first number plus twice a second number is 8. Twice the first number, plus the second number totals 25. Find the numbers. \n" ); document.write( "
Algebra.Com's Answer #308770 by mananth(16946)![]() ![]() You can put this solution on YOUR website! x+2y=8 .............1 \n" ); document.write( "2x+y=25 .............2 \n" ); document.write( "Eliminate y \n" ); document.write( "multiply (1)by 1 \n" ); document.write( "Multiply (2) by -2 \n" ); document.write( "1 x + 2 y = 8 \n" ); document.write( "-4 x + -2 y = -50 \n" ); document.write( "Add the two equations \n" ); document.write( "-3 x = -42 \n" ); document.write( "/ -3 \n" ); document.write( "x=14 \n" ); document.write( "plug value of x in (1) \n" ); document.write( "1x+2y=8 \n" ); document.write( "14+2y=8 \n" ); document.write( "2y=8-14 \n" ); document.write( "2y=-6 \n" ); document.write( "y=-3 \n" ); document.write( " \n" ); document.write( " |