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Simplifying -0.8a + -8 = 2a Reorder the terms: -8 + -0.8a = 2a Solving -8 + -0.8a = 2a Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-2a' to each side of the equation. -8 + -0.8a + -2a = 2a + -2a Combine like terms: -0.8a + -2a = -2.8a -8 + -2.8a = 2a + -2a Combine like terms: 2a + -2a = 0 -8 + -2.8a = 0 Add '8' to each side of the equation. -8 + 8 + -2.8a = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -2.8a = 0 + 8 -2.8a = 0 + 8 Combine like terms: 0 + 8 = 8 -2.8a = 8 Divide each side by '-2.8'. a = -2.857142857 Simplifying a = -2.857142857
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