mathstudent0 mathstudent0

02-04-2017
Mathematics

contestada

5x + 2y = 8
x + y = 4
If you want to solve the system of equations by addition, which of the following could you do?

Respuesta :

Shailza Shailza

02-04-2017

Multiply the equation x+y =4 by -5
The resultant would be-
-5x -5y = -20
Adding this with 5x +2y =8
Then, the resulting would be,
-3y = -12
∴ y=4
and x=4-4 =0

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sassyqueensavage sassyqueensavage

16-12-2020

Answer:

ita a

Step-by-step explanation:

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