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Simplifying -7x + -9 = 18 + 3x Reorder the terms: -9 + -7x = 18 + 3x Solving -9 + -7x = 18 + 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. -9 + -7x + -3x = 18 + 3x + -3x Combine like terms: -7x + -3x = -10x -9 + -10x = 18 + 3x + -3x Combine like terms: 3x + -3x = 0 -9 + -10x = 18 + 0 -9 + -10x = 18 Add '9' to each side of the equation. -9 + 9 + -10x = 18 + 9 Combine like terms: -9 + 9 = 0 0 + -10x = 18 + 9 -10x = 18 + 9 Combine like terms: 18 + 9 = 27 -10x = 27 Divide each side by '-10'. x = -2.7 Simplifying x = -2.7
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