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Simplifying 54 = x + (x + 1) + (x + 2) Reorder the terms: 54 = x + (1 + x) + (x + 2) Remove parenthesis around (1 + x) 54 = x + 1 + x + (x + 2) Reorder the terms: 54 = x + 1 + x + (2 + x) Remove parenthesis around (2 + x) 54 = x + 1 + x + 2 + x Reorder the terms: 54 = 1 + 2 + x + x + x Combine like terms: 1 + 2 = 3 54 = 3 + x + x + x Combine like terms: x + x = 2x 54 = 3 + 2x + x Combine like terms: 2x + x = 3x 54 = 3 + 3x Solving 54 = 3 + 3x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3x' to each side of the equation. 54 + -3x = 3 + 3x + -3x Combine like terms: 3x + -3x = 0 54 + -3x = 3 + 0 54 + -3x = 3 Add '-54' to each side of the equation. 54 + -54 + -3x = 3 + -54 Combine like terms: 54 + -54 = 0 0 + -3x = 3 + -54 -3x = 3 + -54 Combine like terms: 3 + -54 = -51 -3x = -51 Divide each side by '-3'. x = 17 Simplifying x = 17
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