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Answer:
4x - 3(12x + 4) = -6
Step-by-step explanation:
Solving the first equation for y, you have ...
12x +4 = y . . . . add y+4 to both sides
Replacing y with (12x+4) in the second equation gives ...
4x -3(12x +4) = -6 . . . . matches the second choice