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Simplifying 2x + 2(2x + -7) = 42 Reorder the terms: 2x + 2(-7 + 2x) = 42 2x + (-7 * 2 + 2x * 2) = 42 2x + (-14 + 4x) = 42 Reorder the terms: -14 + 2x + 4x = 42 Combine like terms: 2x + 4x = 6x -14 + 6x = 42 Solving -14 + 6x = 42 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 14 + 6x = 42 + 14 Combine like terms: -14 + 14 = 0 0 + 6x = 42 + 14 6x = 42 + 14 Combine like terms: 42 + 14 = 56 6x = 56 Divide each side by '6'. x = 9.333333333 Simplifying x = 9.333333333
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