x + 3y = 3
x = -3y + 3
3y - 2x = 12
Substituting,
3y - 2(-3y + 3) = 12
3y + 6y - 6 = 12
9y = 18
y = 2
x = -3y + 3 = -3(2) + 3 = -3
Check: -3 + 3(2) = 3 good, 3(2) - 2(-3) = 12 good
Answer: (-3, 2)
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