156k views
4 votes
X+y=-3

Y=x+3
Solve each system of equations algebraically

2 Answers

6 votes
X+X+3=-3 2X+3=-3 2X=6 X=3
User Shuheb
by
8.3k points
1 vote
x+y=-3
y=x+3
===========

x+x+3=-3
2x+3=-3
2x=-3-3
2x=-6
x=-3

y=x+3
y=-3+3
y=0
User Fabio Picchi
by
8.2k points