document.write( "Question 829788: the ages of a man and his son add up to 39. in 3 years the man will be 4 times as old as his son. Find ages of man and son.
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Algebra.Com's Answer #500109 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
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\n" ); document.write( "x + y = 39
\n" ); document.write( "x + 3 = 4(y + 3)
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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 = 39
\n" ); document.write( "x + 3 = 4y + 12
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\n" ); document.write( "x + y = 39
\n" ); document.write( "x - 4y = 9
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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 = 33
\n" ); document.write( "y = son = 6
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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 \n" ); document.write( "
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