churro89 churro89

17-10-2020
Mathematics

contestada

Solve the system:
y = 3x
-x + 2y=5

(_,_)

Respuesta :

17-10-2020

Answer:

(5, 15)

Step-by-step explanation:

-x + 6x = 5

5x = 5

x = 5

y = 3 (5)

y = 15

You can substitute 6x for 2y because it says y = 3x. So 2y is gonna be 6x because you have to multiply it by 2 since it's 2y not just y.

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