Use the matrix tool to solve the system of equations 5x+2y=1 and -x-y=-2

asked Dec 11, 2020 188k views

1 vote

8.1k points

Please log in or register to add a comment.

2 votes

Answer:

Explanation:

$1.5x+2y=1\\2.-x-y=-2\\2.2(-x-y=-2)\\5x+2y=1\\-2x-2y=-4      +\\3x=3\\x=1\\Substitute               into                    number one\\5+2y=1\\y=-2$

Mikera answered Dec 17, 2020

9.1k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers