henryglenweber henryglenweber

12-07-2017
Mathematics

contestada

Jordan wants to solve the following system using the elimination method:

2x + 3y = 10
x + y = 7

What number should the equation x + y = 7 be multiplied by to eliminate y? (4 points)

Respuesta :

mathmate mathmate

12-07-2017

To eliminate y, we need to multiply by three to match the first equation (3y).
Then we subtract one equation from the other.

Answer Link

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