carringtongillpe8r8y carringtongillpe8r8y
  • 29-08-2018
  • Mathematics
contestada

how old am I if 400 reduced by 2 times my age is 244

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jdoe0001 jdoe0001
  • 29-08-2018

x = my age.


[tex] \bf 400-\stackrel{\textit{2 times my age}}{2x}~~\stackrel{is}{=}~~244\implies \stackrel{\textit{subtracting 400 from both sides}}{-2x=-156}\\\\\\x=\cfrac{-156}{-2}\implies x=78 [/tex]

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zoebutler
zoebutler zoebutler
  • 29-08-2018

The answer to your question is 78 years old.

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