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Simplifying -7x + 5 + 7(x + 1) = -5 + -7 Reorder the terms: -7x + 5 + 7(1 + x) = -5 + -7 -7x + 5 + (1 * 7 + x * 7) = -5 + -7 -7x + 5 + (7 + 7x) = -5 + -7 Reorder the terms: 5 + 7 + -7x + 7x = -5 + -7 Combine like terms: 5 + 7 = 12 12 + -7x + 7x = -5 + -7 Combine like terms: -7x + 7x = 0 12 + 0 = -5 + -7 12 = -5 + -7 Combine like terms: -5 + -7 = -12 12 = -12 Solving 12 = -12 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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