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Simplifying 4m + -4 = 4m Reorder the terms: -4 + 4m = 4m Add '-4m' to each side of the equation. -4 + 4m + -4m = 4m + -4m Combine like terms: 4m + -4m = 0 -4 + 0 = 4m + -4m -4 = 4m + -4m Combine like terms: 4m + -4m = 0 -4 = 0 Solving -4 = 0 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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