document.write( "Question 111176: Hi sir i need help
\n" );
document.write( "SOLVE GRAPHICALLY:-
\n" );
document.write( "4x+5y=7
\n" );
document.write( "3x-4y=8\r
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "I am getting (y=7-4x/5 & x=8+4y/3)
\n" );
document.write( "Pls help \n" );
document.write( "
Algebra.Com's Answer #81119 by solver91311(24713)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "Easiest way is to write the equations in slope-intercept form: \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "Now, graph the two lines by noting that the first equation has a y-intercept of 7/5 and a slope of -4/5 (5 right, 4 down). The second equation has a y-intercept f -2 with a slope of 3/4 (4 right, 3 up). \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "The two lines cross at about (2.2,-1/3), roughly speaking. \n" ); document.write( " \n" ); document.write( " |