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Simplifying -3m + 12 + -4m = -7m + 4 Reorder the terms: 12 + -3m + -4m = -7m + 4 Combine like terms: -3m + -4m = -7m 12 + -7m = -7m + 4 Reorder the terms: 12 + -7m = 4 + -7m Add '7m' to each side of the equation. 12 + -7m + 7m = 4 + -7m + 7m Combine like terms: -7m + 7m = 0 12 + 0 = 4 + -7m + 7m 12 = 4 + -7m + 7m Combine like terms: -7m + 7m = 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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