All real numbers; identity
Work Step by Step
1. Given: -2(x + 3) - x - 4 = -3(x + 4) + 2 2. Apply Distributive Property: -2x - 6 - x - 4 = -3x - 12 + 2 3. Add and subtract: -10 = -10 The equation is an identity, because it is always true.
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