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11-08-2015
Mathematics

contestada

what is four times a age decreased by 3 is equal to 3 times the age increased by 7. what is the age

Respuesta :

11-08-2015

Call the age a.

4a-3=3a+7

Add 3 to both sides and subtract 3a from both sides to get:

a=10

Therefore, 10 is the age.

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