lailah81 lailah81

16-03-2021
Mathematics

contestada

Please help!! I don’t understand how to do this problem

Please help I dont understand how to do this problem class=

Respuesta :

16-03-2021

Answer:

D.

Step-by-step explanation:

[tex]y = 3x \\ \frac{y}{3} = x \\ \\ \frac{3y}{3} + 2y = 45 \\ y + 2y = 45 \\ 3y = 45 \\ y = \frac{45}{3} \\ y = 15 \\ \\ x = \frac{y}{3} \\ = \frac{15}{3} \\ = 5[/tex]

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