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Simplifying -3(-7x + 4) = -117 Reorder the terms: -3(4 + -7x) = -117 (4 * -3 + -7x * -3) = -117 (-12 + 21x) = -117 Solving -12 + 21x = -117 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + 21x = -117 + 12 Combine like terms: -12 + 12 = 0 0 + 21x = -117 + 12 21x = -117 + 12 Combine like terms: -117 + 12 = -105 21x = -105 Divide each side by '21'. x = -5 Simplifying x = -5
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