Asked by Albert

Solve the system using substitution.
x = y − 6
y = 6 − 3x

A. (0, 6)
B. (6, 0)
C. (0, −6)
D. (−6, 0)
Answered by Steve
well, geez -- how about, um, substituting?

You see that x = y-6, so substitute that into the other equation and you can then find y:

y = 6-3(y-6)
...
Answered by David
answer is A
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