Asked by Anonymous

If you multiply your neighbor's age by 4, add 7, divide by 3, and subtract 9, the result is 20. how old is your neighbor?

Answers

Answered by Reiny
neighbour's age --- x

(4x+7)/3 - 9 = 20
times 3
4x+7 - 27 = 60
4x = 80
x=20
The neighbour is 20 years old

check:
times 4 --->80
add 7 ---->87
divide by 3 --> 29
subtract 9 ---> 20
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