document.write( "Question 825141: a father is 4 times as old as his son. in 5 years he will be 3 times as old as his son. what are their current ages ?
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Algebra.Com's Answer #497068 by TimothyLamb(4379) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "x = man
\n" ); document.write( "y = son
\n" ); document.write( "---
\n" ); document.write( "x = 4y
\n" ); document.write( "x + 5 = 3(y + 5)
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\n" ); document.write( "put the system of linear equations into standard form
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\n" ); document.write( "x - 4y = 0
\n" ); document.write( "x + 5 = 3y + 15
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\n" ); document.write( "x - 4y = 0
\n" ); document.write( "x - 3y = 10
\n" ); document.write( "---
\n" ); document.write( "copy and paste the above standard form linear equations in to this solver:
\n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php
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\n" ); document.write( "answer:
\n" ); document.write( "solution:
\n" ); document.write( "x = man = 40
\n" ); document.write( "y = son = 10
\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 \n" ); document.write( "

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