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Simplifying 4 + -1(2 + -1x) = 8 + -2x 4 + (2 * -1 + -1x * -1) = 8 + -2x 4 + (-2 + 1x) = 8 + -2x Combine like terms: 4 + -2 = 2 2 + 1x = 8 + -2x Solving 2 + 1x = 8 + -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. 2 + 1x + 2x = 8 + -2x + 2x Combine like terms: 1x + 2x = 3x 2 + 3x = 8 + -2x + 2x Combine like terms: -2x + 2x = 0 2 + 3x = 8 + 0 2 + 3x = 8 Add '-2' to each side of the equation. 2 + -2 + 3x = 8 + -2 Combine like terms: 2 + -2 = 0 0 + 3x = 8 + -2 3x = 8 + -2 Combine like terms: 8 + -2 = 6 3x = 6 Divide each side by '3'. x = 2 Simplifying x = 2
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