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Simplifying 9x + 7 + -7x = -2 Reorder the terms: 7 + 9x + -7x = -2 Combine like terms: 9x + -7x = 2x 7 + 2x = -2 Solving 7 + 2x = -2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 2x = -2 + -7 Combine like terms: 7 + -7 = 0 0 + 2x = -2 + -7 2x = -2 + -7 Combine like terms: -2 + -7 = -9 2x = -9 Divide each side by '2'. x = -4.5 Simplifying x = -4.5
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