SOLUTION: Michael is 4 times as old as Brandon and is also 27 years older than Brandon. How old is Michael?

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Question 924148: Michael is 4 times as old as Brandon and is also 27 years older than Brandon. How old is Michael?
Found 2 solutions by TimothyLamb, MathTherapy:
Answer by TimothyLamb(4379)   (Show Source): You can put this solution on YOUR website!
x = mike age
y = bran age
---
x = 4y
x = y + 27
---
put the system of linear equations into standard form
---
x - 4y = 0
x - y = 27
---
copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
---
solution:
x = mike age = 36
y = bran age = 9
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
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Solve quadratic equations, quadratic formula:
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Solve systems of linear equations up to 6-equations 6-variables:
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Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!
Michael is 4 times as old as Brandon and is also 27 years older than Brandon. How old is Michael?


Let Mike's current age, be M

Then Brandon's is: M - 27

Also, M = 4(M - 27)

M = 4M - 108

M - 4M = - 108

- 3M = - 108

M, or Micheel's current age = , or 

You can do the check!! 

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