SOLUTION: 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?

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?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = uncle age
y = mike age
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y - 4 = 11
y + x = 53
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put the system of linear equations into standard form
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y = 15
x + y = 53
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copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
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solution:
x = uncle age = 38
y = mike age = 15
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