Solve the following system by using substitution:

x = -3y - 17
2x + 3y = -7

2 answers

cant find out
hmmm. the word "substitution" should give you a clue.
The first equation tells you what x is, so substitute that into the 2nd equation.

2(-3y-17) + 3y = -7
Now solve that for y, and then you can figure out x.