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Simplifying 2(-4x + 7) = -66 Reorder the terms: 2(7 + -4x) = -66 (7 * 2 + -4x * 2) = -66 (14 + -8x) = -66 Solving 14 + -8x = -66 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 + -8x = -66 + -14 Combine like terms: 14 + -14 = 0 0 + -8x = -66 + -14 -8x = -66 + -14 Combine like terms: -66 + -14 = -80 -8x = -80 Divide each side by '-8'. x = 10 Simplifying x = 10
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