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