Solve for x: -12x = -144.

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Multiple Choice

Solve for x: -12x = -144.

Explanation:
To solve for x, isolate the variable by dividing both sides by -12. (-144) ÷ (-12) equals 12 because a negative divided by a negative gives a positive, and 144 ÷ 12 = 12. So x = 12. You can verify by substituting back: -12 × 12 = -144, which matches the right-hand side. The key idea is that dividing both sides by the same nonzero number keeps the equality, and two negatives cancel to a positive.

To solve for x, isolate the variable by dividing both sides by -12. (-144) ÷ (-12) equals 12 because a negative divided by a negative gives a positive, and 144 ÷ 12 = 12. So x = 12. You can verify by substituting back: -12 × 12 = -144, which matches the right-hand side. The key idea is that dividing both sides by the same nonzero number keeps the equality, and two negatives cancel to a positive.

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