santiagojaime santiagojaime

02-02-2022
Mathematics

contestada

What would be the best method to solve the system of equations below?
6x+3y=21
2x−3y=−13

Respuesta :

SofiaPosada25 SofiaPosada25

02-02-2022

Answer:

Elimination

Step-by-step explanation:

+3y and -3y are opposites so they can cancel out. This would give you 8x=8 so now you know x=1. now substitute the 1 into an equation:

6(1)+3y=21

6+3y=21

3y=15

y=5

x=1

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