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