marianagarrido marianagarrido

20-02-2019
Mathematics

contestada

Mary is an years old. What expression represents her age 7 years from now? Two years ago?

Respuesta :

lilyswaan lilyswaan

24-02-2019

Answer

What expression represents her age 7 years from now?

y =x+7x

Two years ago?

z=y-2x

Step-by-step explanation:

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