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Simplifying 7x + 7 = 2(x + -1) Reorder the terms: 7 + 7x = 2(x + -1) Reorder the terms: 7 + 7x = 2(-1 + x) 7 + 7x = (-1 * 2 + x * 2) 7 + 7x = (-2 + 2x) Solving 7 + 7x = -2 + 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. 7 + 7x + -2x = -2 + 2x + -2x Combine like terms: 7x + -2x = 5x 7 + 5x = -2 + 2x + -2x Combine like terms: 2x + -2x = 0 7 + 5x = -2 + 0 7 + 5x = -2 Add '-7' to each side of the equation. 7 + -7 + 5x = -2 + -7 Combine like terms: 7 + -7 = 0 0 + 5x = -2 + -7 5x = -2 + -7 Combine like terms: -2 + -7 = -9 5x = -9 Divide each side by '5'. x = -1.8 Simplifying x = -1.8
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