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09-09-2017
Mathematics

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Could someone explain to me how you do 13?

Could someone explain to me how you do 13 class=

Respuesta :

09-09-2017

13 is made up of vertical answers.
This means that 110 = (2x + 40) and 70 = (y + 20).

110 = (2x + 40)
70 = 2x
35 = x

70 = (y + 20)
50 = y

So x = 35 and y = 50.

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