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