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Simplifying -2(x + 2) + -1 = 7 Reorder the terms: -2(2 + x) + -1 = 7 (2 * -2 + x * -2) + -1 = 7 (-4 + -2x) + -1 = 7 Reorder the terms: -4 + -1 + -2x = 7 Combine like terms: -4 + -1 = -5 -5 + -2x = 7 Solving -5 + -2x = 7 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -2x = 7 + 5 Combine like terms: -5 + 5 = 0 0 + -2x = 7 + 5 -2x = 7 + 5 Combine like terms: 7 + 5 = 12 -2x = 12 Divide each side by '-2'. x = -6 Simplifying x = -6
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