2 + 6(x - 4) = 3x - 18 + 3x
Distributing and combining similar terms
2 + 6x - 6*4 = 6x - 18
2 + 6x - 24 = 6x - 18
6x - 22 = 6x - 18
Now, we have the equations of two lines, 6x - 22 and 6x - 18, which are parallel then there are 0 solutions.
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