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Simplifying 6 + 9x = 89 + -3x Solving 6 + 9x = 89 + -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. 6 + 9x + 3x = 89 + -3x + 3x Combine like terms: 9x + 3x = 12x 6 + 12x = 89 + -3x + 3x Combine like terms: -3x + 3x = 0 6 + 12x = 89 + 0 6 + 12x = 89 Add '-6' to each side of the equation. 6 + -6 + 12x = 89 + -6 Combine like terms: 6 + -6 = 0 0 + 12x = 89 + -6 12x = 89 + -6 Combine like terms: 89 + -6 = 83 12x = 83 Divide each side by '12'. x = 6.916666667 Simplifying x = 6.916666667
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