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Simplifying -1x + -4(x + 3) = -2x Reorder the terms: -1x + -4(3 + x) = -2x -1x + (3 * -4 + x * -4) = -2x -1x + (-12 + -4x) = -2x Reorder the terms: -12 + -1x + -4x = -2x Combine like terms: -1x + -4x = -5x -12 + -5x = -2x Solving -12 + -5x = -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. -12 + -5x + 2x = -2x + 2x Combine like terms: -5x + 2x = -3x -12 + -3x = -2x + 2x Combine like terms: -2x + 2x = 0 -12 + -3x = 0 Add '12' to each side of the equation. -12 + 12 + -3x = 0 + 12 Combine like terms: -12 + 12 = 0 0 + -3x = 0 + 12 -3x = 0 + 12 Combine like terms: 0 + 12 = 12 -3x = 12 Divide each side by '-3'. x = -4 Simplifying x = -4
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