Respuesta :

Answer:

x=-1 B.

Step-by-step explanation:

You would add 7 to both sides, cancelling out the -7 and turning -12, into -5. Then you would divide both sides by 5 in order to isolate x, giving you x=-1.

Answer: C. -1

Step-by-step explanation: Move all terms that don't contain x to the right side and solve.

I hope this helps you out! ☺

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