Question 924029
x = woman age now
y = son age now
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x = 3y
x + 12 + y + 12 = 76
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put the system of linear equations into standard form
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x - 3y = 0
x + y = 52
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solution:
x = woman age now = 39
y = son age now = 13
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x - y = 39 - 13
x - y = 26
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answer:
the woman's age when son was born = 26
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