southmck1 southmck1

16-05-2017
Mathematics

contestada

I have no idea how to do this. Its substitution.

I have no idea how to do this Its substitution class=

Respuesta :

gimpdog16 gimpdog16

16-05-2017

Since y = x+5, we can substitute y for x+5, making the new equation
3x + x+5 =25. Now, you can solve traditionally. 4x = 20, x = 5, y = 10

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