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Simplifying -2(a + 4) = 16 Reorder the terms: -2(4 + a) = 16 (4 * -2 + a * -2) = 16 (-8 + -2a) = 16 Solving -8 + -2a = 16 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -2a = 16 + 8 Combine like terms: -8 + 8 = 0 0 + -2a = 16 + 8 -2a = 16 + 8 Combine like terms: 16 + 8 = 24 -2a = 24 Divide each side by '-2'. a = -12 Simplifying a = -12
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