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Simplifying -3(n + 4) = -3n + -4 Reorder the terms: -3(4 + n) = -3n + -4 (4 * -3 + n * -3) = -3n + -4 (-12 + -3n) = -3n + -4 Reorder the terms: -12 + -3n = -4 + -3n Add '3n' to each side of the equation. -12 + -3n + 3n = -4 + -3n + 3n Combine like terms: -3n + 3n = 0 -12 + 0 = -4 + -3n + 3n -12 = -4 + -3n + 3n Combine like terms: -3n + 3n = 0 -12 = -4 + 0 -12 = -4 Solving -12 = -4 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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