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Simplifying -7(x + -2) + 1 = 1 + -7x Reorder the terms: -7(-2 + x) + 1 = 1 + -7x (-2 * -7 + x * -7) + 1 = 1 + -7x (14 + -7x) + 1 = 1 + -7x Reorder the terms: 14 + 1 + -7x = 1 + -7x Combine like terms: 14 + 1 = 15 15 + -7x = 1 + -7x Add '7x' to each side of the equation. 15 + -7x + 7x = 1 + -7x + 7x Combine like terms: -7x + 7x = 0 15 + 0 = 1 + -7x + 7x 15 = 1 + -7x + 7x Combine like terms: -7x + 7x = 0 15 = 1 + 0 15 = 1 Solving 15 = 1 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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