document.write( "Question 392357: Which matrix equation should be used to find the intersection of these two lines? 3x = 2 + 4y 2y = 6 -5x \n" ); document.write( "

Algebra.Com's Answer #278498 by NancyLam(35) $\"\"$ $\"About$

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\n" ); document.write( "3x = 2 + 4y (write slop intercep form)
\n" ); document.write( " y =(3x-2)/4
\n" ); document.write( " y =(3x/4)-(1/2)
\n" ); document.write( "2y = 6 -5x (write slop intercep form)
\n" ); document.write( " y= (-5x/2)+3
\n" ); document.write( "Solve:
\n" ); document.write( "(-5x/2)+3=(3x/4)-(1/2)
\n" ); document.write( "(3x/4)+(5x/2)= 3+(1/2)
\n" ); document.write( "3x + 10x/4 =6+1/2
\n" ); document.write( " 13x/4 = 7/2
\n" ); document.write( " x =(7/2)(4/13)
\n" ); document.write( " x = 28/26 or x=14/13
\n" ); document.write( "subtitution x= 14/13 find y
\n" ); document.write( "3(14/13)=2+4y
\n" ); document.write( "42/13 = 2+4y
\n" ); document.write( "(42/13)-2= 4y
\n" ); document.write( "42-26/13 = 4y
\n" ); document.write( "(16/13)/4=y
\n" ); document.write( "16/(13)(4)=y
\n" ); document.write( " 16/52 = y or y =4/13
\n" ); document.write( "x intercep = 28/26 or x=14/13
\n" ); document.write( "y intercep = 16/52 or 4/13
\n" ); document.write( " \n" ); document.write( "

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