Asked by Laura

Solve the system of equations using substitution.
y = x + 6
y = –2x – 3
Answered by Ms. Sue
http://www.jiskha.com/display.cgi?id=1356132049
Answered by Laura
I still trying to do it, but it is hard for me, can you explain that again?

Thanks Ms. Sue.
Answered by Ms. Sue
y = x + 6
y =

Obviously y is the same in both equations.

x + 6 = –2x – 3

Combine like terms.

3x = -3 - 6

3x = -9

x = -3

y = -3 + 6
y = -3
Answered by Laura
Thanks, now i got it :)
Answered by Ms. Sue
You're welcome. :-)
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