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Simplifying (2x + -13) = (x + 15) Reorder the terms: (-13 + 2x) = (x + 15) Remove parenthesis around (-13 + 2x) -13 + 2x = (x + 15) Reorder the terms: -13 + 2x = (15 + x) Remove parenthesis around (15 + x) -13 + 2x = 15 + x Solving -13 + 2x = 15 + x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1x' to each side of the equation. -13 + 2x + -1x = 15 + x + -1x Combine like terms: 2x + -1x = 1x -13 + 1x = 15 + x + -1x Combine like terms: x + -1x = 0 -13 + 1x = 15 + 0 -13 + 1x = 15 Add '13' to each side of the equation. -13 + 13 + 1x = 15 + 13 Combine like terms: -13 + 13 = 0 0 + 1x = 15 + 13 1x = 15 + 13 Combine like terms: 15 + 13 = 28 1x = 28 Divide each side by '1'. x = 28 Simplifying x = 28
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