29.0k views
2 votes
Solve the system of linear equations by graphing.

y = x +2
y = -x -4
The solution is

User Pmellaaho
by
3.2k points

2 Answers

6 votes

Answer:

x = -3

Explanation:

x + 2 and -x-4 is equal, because they are both y

we want to move the variables to one side and the numbers to the other side

x+x = 2x, and -4-2 = -6

so 2x = -6

and x = -3

User Jude Maranga
by
3.9k points
0 votes

Answer:

Solution: (-3,-1)

User Mzimmermann
by
3.6k points