document.write( "Question 831857: A man is nine times as old as his son. In nine years, he will be three times as old as his son. How old are each of them now? \n" ); document.write( "
Algebra.Com's Answer #501687 by TimothyLamb(4379)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "x = 9y
\n" ); document.write( "x + 9 = 3(y + 9)\r
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\n" ); document.write( "put the system of linear equations into standard form:
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\n" ); document.write( "x = 9y
\n" ); document.write( "x + 9 = 3y + 27
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\n" ); document.write( "x - 9y = 0
\n" ); document.write( "x - 3y = 18
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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 = man = 27
\n" ); document.write( "y = son = 3
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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 6-equations 6-variables:
\n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php
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