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Simplifying 2[1 + -39(x + 2)] = -1x Reorder the terms: 2[1 + -39(2 + x)] = -1x 2[1 + (2 * -39 + x * -39)] = -1x 2[1 + (-78 + -39x)] = -1x Combine like terms: 1 + -78 = -77 2[-77 + -39x] = -1x [-77 * 2 + -39x * 2] = -1x [-154 + -78x] = -1x Solving -154 + -78x = -1x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add 'x' to each side of the equation. -154 + -78x + x = -1x + x Combine like terms: -78x + x = -77x -154 + -77x = -1x + x Combine like terms: -1x + x = 0 -154 + -77x = 0 Add '154' to each side of the equation. -154 + 154 + -77x = 0 + 154 Combine like terms: -154 + 154 = 0 0 + -77x = 0 + 154 -77x = 0 + 154 Combine like terms: 0 + 154 = 154 -77x = 154 Divide each side by '-77'. x = -2 Simplifying x = -2
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