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Simplifying 7a + -5 = 30 Reorder the terms: -5 + 7a = 30 Solving -5 + 7a = 30 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + 7a = 30 + 5 Combine like terms: -5 + 5 = 0 0 + 7a = 30 + 5 7a = 30 + 5 Combine like terms: 30 + 5 = 35 7a = 35 Divide each side by '7'. a = 5 Simplifying a = 5

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