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Simplifying 7 + -2(x + 3) = 9(x + -1) Reorder the terms: 7 + -2(3 + x) = 9(x + -1) 7 + (3 * -2 + x * -2) = 9(x + -1) 7 + (-6 + -2x) = 9(x + -1) Combine like terms: 7 + -6 = 1 1 + -2x = 9(x + -1) Reorder the terms: 1 + -2x = 9(-1 + x) 1 + -2x = (-1 * 9 + x * 9) 1 + -2x = (-9 + 9x) Solving 1 + -2x = -9 + 9x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9x' to each side of the equation. 1 + -2x + -9x = -9 + 9x + -9x Combine like terms: -2x + -9x = -11x 1 + -11x = -9 + 9x + -9x Combine like terms: 9x + -9x = 0 1 + -11x = -9 + 0 1 + -11x = -9 Add '-1' to each side of the equation. 1 + -1 + -11x = -9 + -1 Combine like terms: 1 + -1 = 0 0 + -11x = -9 + -1 -11x = -9 + -1 Combine like terms: -9 + -1 = -10 -11x = -10 Divide each side by '-11'. x = 0.9090909091 Simplifying x = 0.9090909091

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