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Simplifying -7(x + 1) + -8 = -7(x + 7) Reorder the terms: -7(1 + x) + -8 = -7(x + 7) (1 * -7 + x * -7) + -8 = -7(x + 7) (-7 + -7x) + -8 = -7(x + 7) Reorder the terms: -7 + -8 + -7x = -7(x + 7) Combine like terms: -7 + -8 = -15 -15 + -7x = -7(x + 7) Reorder the terms: -15 + -7x = -7(7 + x) -15 + -7x = (7 * -7 + x * -7) -15 + -7x = (-49 + -7x) Add '7x' to each side of the equation. -15 + -7x + 7x = -49 + -7x + 7x Combine like terms: -7x + 7x = 0 -15 + 0 = -49 + -7x + 7x -15 = -49 + -7x + 7x Combine like terms: -7x + 7x = 0 -15 = -49 + 0 -15 = -49 Solving -15 = -49 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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