document.write( "Question 242231: What is the solution to the system of equations shown? ( y=2x-6 & y=-3x-6) \n" ); document.write( "
Algebra.Com's Answer #177338 by dpaulin(12)![]() ![]() ![]() You can put this solution on YOUR website! y=2x-6 \n" ); document.write( "y=-3x-6 solve by elimination\r \n" ); document.write( "\n" ); document.write( "6=-3x-y times one of the equations by a negative to cancel out y and 6\r \n" ); document.write( "\n" ); document.write( "6=2x-y usually you will only eliminate a variable. \n" ); document.write( "-6=2x+y add equations\r \n" ); document.write( "\n" ); document.write( "0=4x get x by itself 0/4 = 0 \n" ); document.write( "x=0\r \n" ); document.write( "\n" ); document.write( "plug into original equations\r \n" ); document.write( "\n" ); document.write( "y=2(o)-6 \n" ); document.write( "y=-6 \n" ); document.write( "y=-3x-6 Always use both equations this checks your answers \n" ); document.write( "y=-6 if we got a different answer he then something is wrong.\r \n" ); document.write( "\n" ); document.write( "(0,-6) this answer can been seen without doing any work at all. take into consideration both of the equations have a y-intercept at -6. that immediately shows you the point of intersection between the two linear equations. \n" ); document.write( " |