document.write( "Question 246055: 4x+5y =-2
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document.write( "4y-x= 11\r
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document.write( "graph this system?
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document.write( "how do u graph this system \n" );
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Algebra.Com's Answer #179745 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! You have two linear equations. A linear equations produces a line. \n" ); document.write( "Usually the easiest way to graph a linear equation is to plot(graph) the intercepts where x=0 and y=0. \r \n" ); document.write( "\n" ); document.write( "so 4x+5y =-2 \n" ); document.write( "if x=0 \n" ); document.write( "4(0)+5y=-2 \n" ); document.write( "5y=-2 \n" ); document.write( "y=-2/5=-.4 \n" ); document.write( "if y=0 then \n" ); document.write( "4x+5(0)=-2 \n" ); document.write( "4x=-2 \n" ); document.write( "x=-2/4=-1/2=-.5\r \n" ); document.write( "\n" ); document.write( "4y-x= 11 \n" ); document.write( "If x=0 then 4y-0=11 \n" ); document.write( "4y=11 \n" ); document.write( "y=11/4=2.75 \n" ); document.write( "if y=0 then 4(0)-x=11 \n" ); document.write( "-x=11 \n" ); document.write( "x=-11 \n" ); document.write( "BTW they cross (intersect) at x=-3 and y=2\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |