document.write( "Question 828415: the sum of two numbers is -15. one number is 3 less than the other find a larger number \n" ); document.write( "
Algebra.Com's Answer #499299 by TimothyLamb(4379)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "x + y = -15
\n" ); document.write( "x = y - 3
\n" ); document.write( "---
\n" ); document.write( "put the system of linear equations into standard form:
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\n" ); document.write( "x + y = -15
\n" ); document.write( "x - y = -3
\n" ); document.write( "---
\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 = -9
\n" ); document.write( "y = -6
\n" ); document.write( "---
\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
\n" ); document.write( "---
\n" ); document.write( "determinant of system matrix = -2
\n" ); document.write( "---
\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 6-equations 6-variables:
\n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php
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