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Simplifying a * 5 + 30 = 130 Reorder the terms for easier multiplication: 5a + 30 = 130 Reorder the terms: 30 + 5a = 130 Solving 30 + 5a = 130 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-30' to each side of the equation. 30 + -30 + 5a = 130 + -30 Combine like terms: 30 + -30 = 0 0 + 5a = 130 + -30 5a = 130 + -30 Combine like terms: 130 + -30 = 100 5a = 100 Divide each side by '5'. a = 20 Simplifying a = 20
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