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Simplifying -126 = -7(-2x + 6) Reorder the terms: -126 = -7(6 + -2x) -126 = (6 * -7 + -2x * -7) -126 = (-42 + 14x) Solving -126 = -42 + 14x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-14x' to each side of the equation. -126 + -14x = -42 + 14x + -14x Combine like terms: 14x + -14x = 0 -126 + -14x = -42 + 0 -126 + -14x = -42 Add '126' to each side of the equation. -126 + 126 + -14x = -42 + 126 Combine like terms: -126 + 126 = 0 0 + -14x = -42 + 126 -14x = -42 + 126 Combine like terms: -42 + 126 = 84 -14x = 84 Divide each side by '-14'. x = -6 Simplifying x = -6
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