document.write( "Question 936363: Mike's age, decreased by the age of his 4 year-old sister, is 11. Mike's age, increased by his uncle's age, is 53. What age is mike's uncle? \n" ); document.write( "

Algebra.Com's Answer #569800 by TimothyLamb(4379) $\"\"$ $\"About$

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x = uncle age
\n" ); document.write( "y = mike age
\n" ); document.write( "---
\n" ); document.write( "y - 4 = 11
\n" ); document.write( "y + x = 53
\n" ); document.write( "---
\n" ); document.write( "put the system of linear equations into standard form
\n" ); document.write( "---
\n" ); document.write( "y = 15
\n" ); document.write( "x + y = 53
\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
\n" ); document.write( "---
\n" ); document.write( "solution:
\n" ); document.write( "x = uncle age = 38
\n" ); document.write( "y = mike age = 15
\n" ); document.write( "---
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