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