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Simplifying -1(x + -2) = x + 7 Reorder the terms: -1(-2 + x) = x + 7 (-2 * -1 + x * -1) = x + 7 (2 + -1x) = x + 7 Reorder the terms: 2 + -1x = 7 + x Solving 2 + -1x = 7 + x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1x' to each side of the equation. 2 + -1x + -1x = 7 + x + -1x Combine like terms: -1x + -1x = -2x 2 + -2x = 7 + x + -1x Combine like terms: x + -1x = 0 2 + -2x = 7 + 0 2 + -2x = 7 Add '-2' to each side of the equation. 2 + -2 + -2x = 7 + -2 Combine like terms: 2 + -2 = 0 0 + -2x = 7 + -2 -2x = 7 + -2 Combine like terms: 7 + -2 = 5 -2x = 5 Divide each side by '-2'. x = -2.5 Simplifying x = -2.5
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