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Simplifying 2(x + -9) + 5 = 42 Reorder the terms: 2(-9 + x) + 5 = 42 (-9 * 2 + x * 2) + 5 = 42 (-18 + 2x) + 5 = 42 Reorder the terms: -18 + 5 + 2x = 42 Combine like terms: -18 + 5 = -13 -13 + 2x = 42 Solving -13 + 2x = 42 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '13' to each side of the equation. -13 + 13 + 2x = 42 + 13 Combine like terms: -13 + 13 = 0 0 + 2x = 42 + 13 2x = 42 + 13 Combine like terms: 42 + 13 = 55 2x = 55 Divide each side by '2'. x = 27.5 Simplifying x = 27.5
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