Question 618269
I asked my neighbor how old he was. He told me “If you add 13 to my age and double the result, you will get 86.” How old is my neighbor? 
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Let his age be "x":
Equation:
2(x+13) = 86
x+13 = 43
x = 30
He is 30 years old
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Cheers,
Stan H.
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