148k views
4 votes
Solve the system by Substitution

4x+4y=−4


y=−7x−7



(-1, 0)

(0, 2)

(0, -4)

(0, -1)

User Testo
by
4.6k points

1 Answer

3 votes

Answer:

(-1,0)

Explanation:

I used a graphing calculator and that is the solution

User Brezhnews
by
6.2k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.