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Simplifying 4(1x + -7) = -2(1 + -2x) Reorder the terms: 4(-7 + 1x) = -2(1 + -2x) (-7 * 4 + 1x * 4) = -2(1 + -2x) (-28 + 4x) = -2(1 + -2x) -28 + 4x = (1 * -2 + -2x * -2) -28 + 4x = (-2 + 4x) Add '-4x' to each side of the equation. -28 + 4x + -4x = -2 + 4x + -4x Combine like terms: 4x + -4x = 0 -28 + 0 = -2 + 4x + -4x -28 = -2 + 4x + -4x Combine like terms: 4x + -4x = 0 -28 = -2 + 0 -28 = -2 Solving -28 = -2 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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