Question 972925
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Y=your age; S=son's age
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Y-2=4(S-2)
Y-2=4S-8
Y=4S-6 Use this to substitute for Y below.
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Y-8=10(S-8)
Y-8=10S-80
Y=10S-72 Substitute for Y from above.
4S-6=10S-72 Subtract 4S from each side.
-6=6S-72 Add 72 to each side.
66=6S
11=S ANSWER: The son is currently 11 years old.
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CHECK:
Y-2=4(S-2)
Y-2=4(11-2)
Y-2=4(9)
Y-2=36
Y=38 You are currently 38 years old
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Y-8=10(S-8)
38-8=10(11-8)
30=10(3)
30=30