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Step-by-step explanation:
y = x - 2
x + 3y = 6
x + 3(x - 2) = 6
x + 3x - 6 = 6
4x = 6 + 6
4x = 12
x = 12/4
x = 3
y = x - 2
y = (3) - 2
y = 1
Solution → (x,y) = (3,1)
Option → C