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Simplifying -1(x + 5) = -7 + -1x Reorder the terms: -1(5 + x) = -7 + -1x (5 * -1 + x * -1) = -7 + -1x (-5 + -1x) = -7 + -1x Add 'x' to each side of the equation. -5 + -1x + x = -7 + -1x + x Combine like terms: -1x + x = 0 -5 + 0 = -7 + -1x + x -5 = -7 + -1x + x Combine like terms: -1x + x = 0 -5 = -7 + 0 -5 = -7 Solving -5 = -7 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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