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Simplifying 19 + 7n = -2a + 84 Reorder the terms: 19 + 7n = 84 + -2a Solving 19 + 7n = 84 + -2a Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-19' to each side of the equation. 19 + -19 + 7n = 84 + -19 + -2a Combine like terms: 19 + -19 = 0 0 + 7n = 84 + -19 + -2a 7n = 84 + -19 + -2a Combine like terms: 84 + -19 = 65 7n = 65 + -2a Divide each side by '7'. n = 9.285714286 + -0.2857142857a Simplifying n = 9.285714286 + -0.2857142857a
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