document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=826383>Question 826383</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many solutions are there to this system? Please provide all steps.\r<BR>\n" );
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document.write( "4x - 7y = 15<BR>\n" );
document.write( "-8x + 14y = -30\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #498035 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=498035\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ---<BR>\n" );
document.write( "4x - 7y = 15<BR>\n" );
document.write( "-8x + 14y = -30<BR>\n" );
document.write( "---<BR>\n" );
document.write( "copy and paste the above linear system in standard form into this matrix-method solver:<BR>\n" );
document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php<BR>\n" );
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document.write( "solution by matrix method:<BR>\n" );
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document.write( "This linear system is singular. It has no solution<BR>\n" );
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document.write( "system matrix<BR>\n" );
document.write( "4 -7<BR>\n" );
document.write( "-8 14<BR>\n" );
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document.write( "determinant of system matrix = 0<BR>\n" );
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document.write( "now by solution by elimination:<BR>\n" );
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document.write( "( 4x - 7y = 15 )2<BR>\n" );
document.write( "-8x + 14y = -30<BR>\n" );
document.write( "---<BR>\n" );
document.write( "8x - 14y = 30<BR>\n" );
document.write( "-8x + 14y = -30<BR>\n" );
document.write( "---<BR>\n" );
document.write( "add the system:<BR>\n" );
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document.write( "0 = 0<BR>\n" );
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document.write( "This linear system is singular. It has no solution<BR>\n" );
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document.write( "Solve and graph linear equations:<BR>\n" );
document.write( "https://sooeet.com/math/linear-equation-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve quadratic equations, quadratic formula:<BR>\n" );
document.write( "https://sooeet.com/math/quadratic-formula-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve systems of linear equations up to 6-equations 6-variables:<BR>\n" );
document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php </SPAN>\n" );
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