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Simplifying -1[7x + 6 + -7(x + 1)] = -4 + -6 Reorder the terms: -1[7x + 6 + -7(1 + x)] = -4 + -6 -1[7x + 6 + (1 * -7 + x * -7)] = -4 + -6 -1[7x + 6 + (-7 + -7x)] = -4 + -6 Reorder the terms: -1[6 + -7 + 7x + -7x] = -4 + -6 Combine like terms: 6 + -7 = -1 -1[-1 + 7x + -7x] = -4 + -6 Combine like terms: 7x + -7x = 0 -1[-1 + 0] = -4 + -6 -1[-1] = -4 + -6 Multiply -1 * -1 1 = -4 + -6 Combine like terms: -4 + -6 = -10 1 = -10 Solving 1 = -10 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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