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Simplifying 43a + 8 + 6a = -90 Reorder the terms: 8 + 43a + 6a = -90 Combine like terms: 43a + 6a = 49a 8 + 49a = -90 Solving 8 + 49a = -90 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 + 49a = -90 + -8 Combine like terms: 8 + -8 = 0 0 + 49a = -90 + -8 49a = -90 + -8 Combine like terms: -90 + -8 = -98 49a = -98 Divide each side by '49'. a = -2 Simplifying a = -2

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