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Simplifying 9x2 + 1 = 7x2 Reorder the terms: 1 + 9x2 = 7x2 Solving 1 + 9x2 = 7x2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7x2' to each side of the equation. 1 + 9x2 + -7x2 = 7x2 + -7x2 Combine like terms: 9x2 + -7x2 = 2x2 1 + 2x2 = 7x2 + -7x2 Combine like terms: 7x2 + -7x2 = 0 1 + 2x2 = 0 Add '-1' to each side of the equation. 1 + -1 + 2x2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2x2 = 0 + -1 2x2 = 0 + -1 Combine like terms: 0 + -1 = -1 2x2 = -1 Divide each side by '2'. x2 = -0.5 Simplifying x2 = -0.5 Reorder the terms: 0.5 + x2 = -0.5 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.5 + x2 = 0.0 The solution to this equation could not be determined.
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