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Simplifying 7n2 + -14r = -7 Solving 7n2 + -14r = -7 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '14r' to each side of the equation. 7n2 + -14r + 14r = -7 + 14r Combine like terms: -14r + 14r = 0 7n2 + 0 = -7 + 14r 7n2 = -7 + 14r Divide each side by '7'. n2 = -1 + 2r Simplifying n2 = -1 + 2r Reorder the terms: 1 + n2 + -2r = -1 + 2r + 1 + -2r Reorder the terms: 1 + n2 + -2r = -1 + 1 + 2r + -2r Combine like terms: -1 + 1 = 0 1 + n2 + -2r = 0 + 2r + -2r 1 + n2 + -2r = 2r + -2r Combine like terms: 2r + -2r = 0 1 + n2 + -2r = 0 The solution to this equation could not be determined.
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