document.write( "Question 941633: If Peter's age plus Paul's age = 34
\n" ); document.write( "and Peter's age plus Mary's age =42
\n" ); document.write( "and Paul's age plus Mary's age =24
\n" ); document.write( "How old are Peter, Paul and Mary \n" ); document.write( "
Algebra.Com's Answer #574021 by TimothyLamb(4379)\"\" \"About 
You can put this solution on YOUR website!
x = age of Peter
\n" ); document.write( "y = age of Paul
\n" ); document.write( "z = age of Mary
\n" ); document.write( "---
\n" ); document.write( "x + y = 34
\n" ); document.write( "x + z = 42
\n" ); document.write( "y + z = 24
\n" ); document.write( "---
\n" ); document.write( "put the system of linear equations into standard form
\n" ); document.write( "---
\n" ); document.write( "2x + 2y = 70
\n" ); document.write( "x - 2y = 8
\n" ); document.write( "---
\n" ); document.write( "copy and paste the above standard form linear equations in to this solver:
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\n" ); document.write( "---
\n" ); document.write( "solution:
\n" ); document.write( "x = 26
\n" ); document.write( "y = 8
\n" ); document.write( "z = 16
\n" ); document.write( "---
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\n" ); document.write( "Solve systems of linear equations up to 6-equations 6-variables:
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