document.write( "Question 972027: The sum of three times a number and twice another number is 120. Twice the first number plus four times the other number is 65. Calculate the values of the two numbers. \n" ); document.write( "
Algebra.Com's Answer #594426 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! number is x; other number is y\r \n" ); document.write( "\n" ); document.write( "3x +2y=120 \n" ); document.write( "2x +4y=65\r \n" ); document.write( "\n" ); document.write( "Multiply top by (-2) \n" ); document.write( "-6x -4y =-240 \n" ); document.write( "2x +4y =65 Add them\r \n" ); document.write( "\n" ); document.write( "-4x =-175 \n" ); document.write( "x=43.75 \n" ); document.write( "2x+4y=87.5 +4y+65\r \n" ); document.write( "\n" ); document.write( "4y= -22.5 \n" ); document.write( "y= -5.625\r \n" ); document.write( "\n" ); document.write( "3(43.75) + 2(-5.625)= 131.25 - 11.25=120 \n" ); document.write( "2(43.75) +4 (-5.625) =87.5-22.5 =65\r \n" ); document.write( "\n" ); document.write( "(43.75, -5.625) \n" ); document.write( " |