document.write( "Question 825639: x=300-y
\n" ); document.write( "x-200=y \n" ); document.write( "
Algebra.Com's Answer #497458 by TimothyLamb(4379)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "x=300-y
\n" ); document.write( "x-200=y
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\n" ); document.write( "put the system of linear equations into standard form
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\n" ); document.write( "x + y = 300
\n" ); document.write( "x - y = 200
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\n" ); document.write( "copy and paste the above linear system in standard form into this matrix-method solver:
\n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php
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\n" ); document.write( "solution:
\n" ); document.write( "x = 250
\n" ); document.write( "y = 50
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\n" ); document.write( "system matrix
\n" ); document.write( "1 1
\n" ); document.write( "1 -1
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\n" ); document.write( "inverse of system matrix
\n" ); document.write( "0.5 0.5
\n" ); document.write( "0.5 -0.5
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\n" ); document.write( "determinant of system matrix = -2
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\n" ); document.write( "Solve and graph linear equations:
\n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php
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\n" ); document.write( "Solve quadratic equations, quadratic formula:
\n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php
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\n" ); document.write( "Solve systems of linear equations up to 4-equations 4-variables:
\n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( "
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