SOLUTION: Martina is currently 14 years older than her cousin Joey. In 5 years she will be 3 times as old as Joey. If you let X represent Joey's current age, what expression can you use to r

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Question 923452: Martina is currently 14 years older than her cousin Joey. In 5 years she will be 3 times as old as Joey. If you let X represent Joey's current age, what expression can you use to represent Martina's current age?
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
m = j + 14
m + 5 = 3j
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put the system of linear equations into standard form
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m - j = 14
m - 3j = -5
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x - y = 14
x - 3y = -5
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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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answer:
x = Martina = 23.5
y = Joey = 9.5
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