document.write( "Question 1209542: For homework, Randall is solving the system of linear equations in the box. 3x + 4y = 25 4x - 7y = - 16 Which strategy should Randall use to solve this system of equations? \n" ); document.write( "
Algebra.Com's Answer #849391 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
Which strategy depends on what he knows. Upon appearance, substitution seems not the best choice but it can work. \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"system%283x%2B4y=25%2C4x-7y=-16%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Elimination Method:
\n" ); document.write( "\"system%2812x%2B16y=200%2C12x-21y=-48%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"system%2812x%2B16y=200%2C-12x%2B21y=48%29\"\r
\n" ); document.write( "\n" ); document.write( "ADD:\r
\n" ); document.write( "\n" ); document.write( "\"37y=248\"\r
\n" ); document.write( "\n" ); document.write( "\"y=248%2F37\"\r
\n" ); document.write( "\n" ); document.write( "\"y=6%2626%2F37\"
\n" ); document.write( "But recheck this part in case of mistakes in the work.\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );