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Simplifying (2x + -1) + -1(x + -7) = 2 Reorder the terms: (-1 + 2x) + -1(x + -7) = 2 Remove parenthesis around (-1 + 2x) -1 + 2x + -1(x + -7) = 2 Reorder the terms: -1 + 2x + -1(-7 + x) = 2 -1 + 2x + (-7 * -1 + x * -1) = 2 -1 + 2x + (7 + -1x) = 2 Reorder the terms: -1 + 7 + 2x + -1x = 2 Combine like terms: -1 + 7 = 6 6 + 2x + -1x = 2 Combine like terms: 2x + -1x = 1x 6 + 1x = 2 Solving 6 + 1x = 2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + 1x = 2 + -6 Combine like terms: 6 + -6 = 0 0 + 1x = 2 + -6 1x = 2 + -6 Combine like terms: 2 + -6 = -4 1x = -4 Divide each side by '1'. x = -4 Simplifying x = -4
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