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Simplifying 2(-7x + -7) = -126 Reorder the terms: 2(-7 + -7x) = -126 (-7 * 2 + -7x * 2) = -126 (-14 + -14x) = -126 Solving -14 + -14x = -126 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 + -14x = -126 + 14 Combine like terms: -14 + 14 = 0 0 + -14x = -126 + 14 -14x = -126 + 14 Combine like terms: -126 + 14 = -112 -14x = -112 Divide each side by '-14'. x = 8 Simplifying x = 8
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