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Simplifying -7(5x + 7) = -154 Reorder the terms: -7(7 + 5x) = -154 (7 * -7 + 5x * -7) = -154 (-49 + -35x) = -154 Solving -49 + -35x = -154 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '49' to each side of the equation. -49 + 49 + -35x = -154 + 49 Combine like terms: -49 + 49 = 0 0 + -35x = -154 + 49 -35x = -154 + 49 Combine like terms: -154 + 49 = -105 -35x = -105 Divide each side by '-35'. x = 3 Simplifying x = 3
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