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Simplifying -7 + -4x = -4(x + -2) Reorder the terms: -7 + -4x = -4(-2 + x) -7 + -4x = (-2 * -4 + x * -4) -7 + -4x = (8 + -4x) Add '4x' to each side of the equation. -7 + -4x + 4x = 8 + -4x + 4x Combine like terms: -4x + 4x = 0 -7 + 0 = 8 + -4x + 4x -7 = 8 + -4x + 4x Combine like terms: -4x + 4x = 0 -7 = 8 + 0 -7 = 8 Solving -7 = 8 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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