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Simplifying 8 + -3.5a = a Solving 8 + -3.5a = a Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-1a' to each side of the equation. 8 + -3.5a + -1a = a + -1a Combine like terms: -3.5a + -1a = -4.5a 8 + -4.5a = a + -1a Combine like terms: a + -1a = 0 8 + -4.5a = 0 Add '-8' to each side of the equation. 8 + -8 + -4.5a = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -4.5a = 0 + -8 -4.5a = 0 + -8 Combine like terms: 0 + -8 = -8 -4.5a = -8 Divide each side by '-4.5'. a = 1.777777778 Simplifying a = 1.777777778
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