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Simplifying (2x + 13) = (5x + -21) Reorder the terms: (13 + 2x) = (5x + -21) Remove parenthesis around (13 + 2x) 13 + 2x = (5x + -21) Reorder the terms: 13 + 2x = (-21 + 5x) Remove parenthesis around (-21 + 5x) 13 + 2x = -21 + 5x Solving 13 + 2x = -21 + 5x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5x' to each side of the equation. 13 + 2x + -5x = -21 + 5x + -5x Combine like terms: 2x + -5x = -3x 13 + -3x = -21 + 5x + -5x Combine like terms: 5x + -5x = 0 13 + -3x = -21 + 0 13 + -3x = -21 Add '-13' to each side of the equation. 13 + -13 + -3x = -21 + -13 Combine like terms: 13 + -13 = 0 0 + -3x = -21 + -13 -3x = -21 + -13 Combine like terms: -21 + -13 = -34 -3x = -34 Divide each side by '-3'. x = 11.33333333 Simplifying x = 11.33333333
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