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Simplifying x + -13 = 2x Reorder the terms: -13 + x = 2x Solving -13 + x = 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. -13 + x + -2x = 2x + -2x Combine like terms: x + -2x = -1x -13 + -1x = 2x + -2x Combine like terms: 2x + -2x = 0 -13 + -1x = 0 Add '13' to each side of the equation. -13 + 13 + -1x = 0 + 13 Combine like terms: -13 + 13 = 0 0 + -1x = 0 + 13 -1x = 0 + 13 Combine like terms: 0 + 13 = 13 -1x = 13 Divide each side by '-1'. x = -13 Simplifying x = -13
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