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Simplifying -7(-1n + 3) = -6 + 7(n + 10) Reorder the terms: -7(3 + -1n) = -6 + 7(n + 10) (3 * -7 + -1n * -7) = -6 + 7(n + 10) (-21 + 7n) = -6 + 7(n + 10) Reorder the terms: -21 + 7n = -6 + 7(10 + n) -21 + 7n = -6 + (10 * 7 + n * 7) -21 + 7n = -6 + (70 + 7n) Combine like terms: -6 + 70 = 64 -21 + 7n = 64 + 7n Add '-7n' to each side of the equation. -21 + 7n + -7n = 64 + 7n + -7n Combine like terms: 7n + -7n = 0 -21 + 0 = 64 + 7n + -7n -21 = 64 + 7n + -7n Combine like terms: 7n + -7n = 0 -21 = 64 + 0 -21 = 64 Solving -21 = 64 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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