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Simplifying x + -1 + 7x + 55 = 2x + -1 Reorder the terms: -1 + 55 + x + 7x = 2x + -1 Combine like terms: -1 + 55 = 54 54 + x + 7x = 2x + -1 Combine like terms: x + 7x = 8x 54 + 8x = 2x + -1 Reorder the terms: 54 + 8x = -1 + 2x Solving 54 + 8x = -1 + 2x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2x' to each side of the equation. 54 + 8x + -2x = -1 + 2x + -2x Combine like terms: 8x + -2x = 6x 54 + 6x = -1 + 2x + -2x Combine like terms: 2x + -2x = 0 54 + 6x = -1 + 0 54 + 6x = -1 Add '-54' to each side of the equation. 54 + -54 + 6x = -1 + -54 Combine like terms: 54 + -54 = 0 0 + 6x = -1 + -54 6x = -1 + -54 Combine like terms: -1 + -54 = -55 6x = -55 Divide each side by '6'. x = -9.166666667 Simplifying x = -9.166666667
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