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Simplifying 42a + -77 = 0 Reorder the terms: -77 + 42a = 0 Solving -77 + 42a = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '77' to each side of the equation. -77 + 77 + 42a = 0 + 77 Combine like terms: -77 + 77 = 0 0 + 42a = 0 + 77 42a = 0 + 77 Combine like terms: 0 + 77 = 77 42a = 77 Divide each side by '42'. a = 1.833333333 Simplifying a = 1.833333333
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