document.write( "Question 830425: Chris is five years older than his sister. The sum of their ages is 39. Find Chris's age. \n" ); document.write( "
Algebra.Com's Answer #500617 by TimothyLamb(4379)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "x = Chris
\n" ); document.write( "y = Sister
\n" ); document.write( "---
\n" ); document.write( "x = y + 5
\n" ); document.write( "x + y = 39
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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 = 5
\n" ); document.write( "x + y = 39
\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
\n" ); document.write( "---
\n" ); document.write( "solution:
\n" ); document.write( "x = Chris = 22
\n" ); document.write( "y = Sister = 17
\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
\n" ); document.write( "---
\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 \n" ); document.write( "
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