saintsfan2004 saintsfan2004

13-11-2018
Mathematics

contestada

Please help please i really need this answer

Please help please i really need this answer class=

Respuesta :

Mareska95 Mareska95

13-11-2018

We have the system of equations:

3x + 5y = 10

x + 5y = 2 => x = 2 - 5y

__________________

3*(2 - 5y) + 5y = 10

6 - 15y + 5y = 10

-4 = 10y

y = -4/10 = -2/5 => x = 2 - 5*y = 2 - 5*(-2/5) = 2 + 2 = 4

The correct answer is x = 4.

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