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Simplifying 7x + 2(x + 2) = 3(x + -1) Reorder the terms: 7x + 2(2 + x) = 3(x + -1) 7x + (2 * 2 + x * 2) = 3(x + -1) 7x + (4 + 2x) = 3(x + -1) Reorder the terms: 4 + 7x + 2x = 3(x + -1) Combine like terms: 7x + 2x = 9x 4 + 9x = 3(x + -1) Reorder the terms: 4 + 9x = 3(-1 + x) 4 + 9x = (-1 * 3 + x * 3) 4 + 9x = (-3 + 3x) Solving 4 + 9x = -3 + 3x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3x' to each side of the equation. 4 + 9x + -3x = -3 + 3x + -3x Combine like terms: 9x + -3x = 6x 4 + 6x = -3 + 3x + -3x Combine like terms: 3x + -3x = 0 4 + 6x = -3 + 0 4 + 6x = -3 Add '-4' to each side of the equation. 4 + -4 + 6x = -3 + -4 Combine like terms: 4 + -4 = 0 0 + 6x = -3 + -4 6x = -3 + -4 Combine like terms: -3 + -4 = -7 6x = -7 Divide each side by '6'. x = -1.166666667 Simplifying x = -1.166666667
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