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Simplifying -2 + -7(n + 2) = -20 + -7n Reorder the terms: -2 + -7(2 + n) = -20 + -7n -2 + (2 * -7 + n * -7) = -20 + -7n -2 + (-14 + -7n) = -20 + -7n Combine like terms: -2 + -14 = -16 -16 + -7n = -20 + -7n Add '7n' to each side of the equation. -16 + -7n + 7n = -20 + -7n + 7n Combine like terms: -7n + 7n = 0 -16 + 0 = -20 + -7n + 7n -16 = -20 + -7n + 7n Combine like terms: -7n + 7n = 0 -16 = -20 + 0 -16 = -20 Solving -16 = -20 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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