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Simplifying 28a + 12 = 0 Reorder the terms: 12 + 28a = 0 Solving 12 + 28a = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + 28a = 0 + -12 Combine like terms: 12 + -12 = 0 0 + 28a = 0 + -12 28a = 0 + -12 Combine like terms: 0 + -12 = -12 28a = -12 Divide each side by '28'. a = -0.4285714286 Simplifying a = -0.4285714286
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