What is the value of x in the equation –2.4x = 8.4?

Divide both sides of –2.4x = 8.4 by –2.4 to isolate x: x = 8.4 ÷ (–2.4) = –3.5. Checking, (–2.4)(–3.5) = 8.4, so the correct choice is –3.5.

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