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Simplifying 7x + 4x + 7 = -9x Reorder the terms: 7 + 7x + 4x = -9x Combine like terms: 7x + 4x = 11x 7 + 11x = -9x Solving 7 + 11x = -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. 7 + 11x + 9x = -9x + 9x Combine like terms: 11x + 9x = 20x 7 + 20x = -9x + 9x Combine like terms: -9x + 9x = 0 7 + 20x = 0 Add '-7' to each side of the equation. 7 + -7 + 20x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 20x = 0 + -7 20x = 0 + -7 Combine like terms: 0 + -7 = -7 20x = -7 Divide each side by '20'. x = -0.35 Simplifying x = -0.35
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