document.write( "Question 1205381: Is (4,1) a solution to this system of equations?
\n" ); document.write( "9x - 10y=26
\n" ); document.write( "3x - 11y=1 \n" ); document.write( "

Algebra.Com's Answer #842137 by MathLover1(20850) $\"\"$ $\"About$

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\n" ); document.write( " $\"9x++-++10y=26\"$ ...eq.1
\n" ); document.write( " $\"3x++-++11y=1\"$ ...eq.2 => both sides multiply by $\"3\"$
\n" ); document.write( "_________________________________________________\r
\n" ); document.write( "\n" ); document.write( " $\"9x++-++10y=26\"$ ...eq.1
\n" ); document.write( " $\"9x++-++33y=3\"$ ...eq.2
\n" ); document.write( "_______________________________subtract\r
\n" ); document.write( "\n" ); document.write( " $\"9x++-++10y-%289x++-++33y%29=26-3\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"9x++-++10y-9x+%2B33y=23\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"23y=23\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y=1\"$ \r
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\n" ); document.write( "\n" ); document.write( "go to\r
\n" ); document.write( "\n" ); document.write( " $\"9x++-++10y=26\"$ ...eq.1, substitute $\"y\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"9x++-++10%2A1=26\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"9x+=26%2B10\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"9x+=36\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x+=4\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "answer: ( $\"4\"$ , $\"1\"$ ) is a solution to this system of equations\r
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