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Simplifying -2a + 2 = 4(a + -4) Reorder the terms: 2 + -2a = 4(a + -4) Reorder the terms: 2 + -2a = 4(-4 + a) 2 + -2a = (-4 * 4 + a * 4) 2 + -2a = (-16 + 4a) Solving 2 + -2a = -16 + 4a Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-4a' to each side of the equation. 2 + -2a + -4a = -16 + 4a + -4a Combine like terms: -2a + -4a = -6a 2 + -6a = -16 + 4a + -4a Combine like terms: 4a + -4a = 0 2 + -6a = -16 + 0 2 + -6a = -16 Add '-2' to each side of the equation. 2 + -2 + -6a = -16 + -2 Combine like terms: 2 + -2 = 0 0 + -6a = -16 + -2 -6a = -16 + -2 Combine like terms: -16 + -2 = -18 -6a = -18 Divide each side by '-6'. a = 3 Simplifying a = 3
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