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Simplifying 42 = 2(2x + 2) Reorder the terms: 42 = 2(2 + 2x) 42 = (2 * 2 + 2x * 2) 42 = (4 + 4x) Solving 42 = 4 + 4x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4x' to each side of the equation. 42 + -4x = 4 + 4x + -4x Combine like terms: 4x + -4x = 0 42 + -4x = 4 + 0 42 + -4x = 4 Add '-42' to each side of the equation. 42 + -42 + -4x = 4 + -42 Combine like terms: 42 + -42 = 0 0 + -4x = 4 + -42 -4x = 4 + -42 Combine like terms: 4 + -42 = -38 -4x = -38 Divide each side by '-4'. x = 9.5 Simplifying x = 9.5
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