document.write( "Question 192890: X= -3Y X+Y=4 SO WHAT POINT REPRESENTS THE COMMON SOLUTION FOR THE SYSTEM OF EQUATIONS? I know the answer is (6,-2), but how did they get that answer?
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Algebra.Com's Answer #144776 by jojo14344(1513) ![]() You can put this solution on YOUR website! \n" ); document.write( " \n" ); document.write( "EQN 1 : x = 3y\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Via Slope-Intercept Form, \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the line has a \n" ); document.write( "\n" ); document.write( "Since \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "From point (3,-1), move one step down on y-axis (-1), and 3 steps right on x-axis(+3): \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Going back from the Origin (0,0), we move one step up on the y-axis(+1) and 3 steps to the left on x-axis(-3). this is to maintain our Slope= \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "From point (-3,1), another one step up (+1) and 3 steps to the left(-3): \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "We connect the points for Line \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "For the Next Line X+Y=4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let Fy=0: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let Fx=0: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "We see both Lines in the graph: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Thank you, \n" ); document.write( "Jojo\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |