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Simplifying 4x + -1 = 4(x + -7) Reorder the terms: -1 + 4x = 4(x + -7) Reorder the terms: -1 + 4x = 4(-7 + x) -1 + 4x = (-7 * 4 + x * 4) -1 + 4x = (-28 + 4x) Add '-4x' to each side of the equation. -1 + 4x + -4x = -28 + 4x + -4x Combine like terms: 4x + -4x = 0 -1 + 0 = -28 + 4x + -4x -1 = -28 + 4x + -4x Combine like terms: 4x + -4x = 0 -1 = -28 + 0 -1 = -28 Solving -1 = -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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