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Simplifying -3 + (7x + 1) = -42 Reorder the terms: -3 + (1 + 7x) = -42 Remove parenthesis around (1 + 7x) -3 + 1 + 7x = -42 Combine like terms: -3 + 1 = -2 -2 + 7x = -42 Solving -2 + 7x = -42 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + 7x = -42 + 2 Combine like terms: -2 + 2 = 0 0 + 7x = -42 + 2 7x = -42 + 2 Combine like terms: -42 + 2 = -40 7x = -40 Divide each side by '7'. x = -5.714285714 Simplifying x = -5.714285714
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