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Simplifying 4x + 4 = 4(x + -1) Reorder the terms: 4 + 4x = 4(x + -1) Reorder the terms: 4 + 4x = 4(-1 + x) 4 + 4x = (-1 * 4 + x * 4) 4 + 4x = (-4 + 4x) Add '-4x' to each side of the equation. 4 + 4x + -4x = -4 + 4x + -4x Combine like terms: 4x + -4x = 0 4 + 0 = -4 + 4x + -4x 4 = -4 + 4x + -4x Combine like terms: 4x + -4x = 0 4 = -4 + 0 4 = -4 Solving 4 = -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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