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Simplifying x + (x + -2) + (x + -5) = 42 Reorder the terms: x + (-2 + x) + (x + -5) = 42 Remove parenthesis around (-2 + x) x + -2 + x + (x + -5) = 42 Reorder the terms: x + -2 + x + (-5 + x) = 42 Remove parenthesis around (-5 + x) x + -2 + x + -5 + x = 42 Reorder the terms: -2 + -5 + x + x + x = 42 Combine like terms: -2 + -5 = -7 -7 + x + x + x = 42 Combine like terms: x + x = 2x -7 + 2x + x = 42 Combine like terms: 2x + x = 3x -7 + 3x = 42 Solving -7 + 3x = 42 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + 3x = 42 + 7 Combine like terms: -7 + 7 = 0 0 + 3x = 42 + 7 3x = 42 + 7 Combine like terms: 42 + 7 = 49 3x = 49 Divide each side by '3'. x = 16.33333333 Simplifying x = 16.33333333
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