SOLUTION: Emily is 28 years younger than Stephanie. Stephanie and Emily first met two years ago. Eighteen years ago, Stephanie was 5 times as old as Emily. How old is emily?

Question 930207: Emily is 28 years younger than Stephanie. Stephanie and Emily first met two years ago. Eighteen years ago, Stephanie was 5 times as old as Emily. How old is emily?

Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = emily age
y = stephanie age
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x = y - 28
y - 18 = 5(x - 18)
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put the system of linear equations into standard form
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x - y = -28
y - 18 = 5x - 18*5
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x - y = -28
5x - y = -18 + 18*5
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x - y = -28
5x - y = 72
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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 = emily age = 25
y = stephanie age = 53
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