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Simplifying 12n + -3 = 7(n + -4) + 5n Reorder the terms: -3 + 12n = 7(n + -4) + 5n Reorder the terms: -3 + 12n = 7(-4 + n) + 5n -3 + 12n = (-4 * 7 + n * 7) + 5n -3 + 12n = (-28 + 7n) + 5n Combine like terms: 7n + 5n = 12n -3 + 12n = -28 + 12n Add '-12n' to each side of the equation. -3 + 12n + -12n = -28 + 12n + -12n Combine like terms: 12n + -12n = 0 -3 + 0 = -28 + 12n + -12n -3 = -28 + 12n + -12n Combine like terms: 12n + -12n = 0 -3 = -28 + 0 -3 = -28 Solving -3 = -28 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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