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Simplifying -2(a + 4) = -4 Reorder the terms: -2(4 + a) = -4 (4 * -2 + a * -2) = -4 (-8 + -2a) = -4 Solving -8 + -2a = -4 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 = -4 + 8 Combine like terms: -8 + 8 = 0 0 + -2a = -4 + 8 -2a = -4 + 8 Combine like terms: -4 + 8 = 4 -2a = 4 Divide each side by '-2'. a = -2 Simplifying a = -2
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