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Simplifying -4x + 9 + -7x + 1 = -9x + -2x + -2 Reorder the terms: 9 + 1 + -4x + -7x = -9x + -2x + -2 Combine like terms: 9 + 1 = 10 10 + -4x + -7x = -9x + -2x + -2 Combine like terms: -4x + -7x = -11x 10 + -11x = -9x + -2x + -2 Reorder the terms: 10 + -11x = -2 + -9x + -2x Combine like terms: -9x + -2x = -11x 10 + -11x = -2 + -11x Add '11x' to each side of the equation. 10 + -11x + 11x = -2 + -11x + 11x Combine like terms: -11x + 11x = 0 10 + 0 = -2 + -11x + 11x 10 = -2 + -11x + 11x Combine like terms: -11x + 11x = 0 10 = -2 + 0 10 = -2 Solving 10 = -2 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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