SOLUTION: A woman's age and her son's age add up to 45 years old. Five years ago,
the woman was 6 times as old as her son. How old was the woman when the
son was born.
Algebra.Com
Question 829805: A woman's age and her son's age add up to 45 years old. Five years ago,
the woman was 6 times as old as her son. How old was the woman when the
son was born.
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
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x = woman
y = son
---
x + y = 45
x - 5 = 6(y - 5)
---
put the system of linear equations into standard form:
---
x + y = 45
x - 5 = 6y - 30
---
x + y = 45
x - 6y = -25
---
copy and paste the above linear system in standard form into this matrix-method solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
---
today:
x = woman = 35
y = son = 10
---
when the son was born:
x = woman = 25
---
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---
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---
Solve systems of linear equations up to 6-equations 6-variables:
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