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Simplifying 3x2 + 8 = 7x2 + 28 Reorder the terms: 8 + 3x2 = 7x2 + 28 Reorder the terms: 8 + 3x2 = 28 + 7x2 Solving 8 + 3x2 = 28 + 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. 8 + 3x2 + -7x2 = 28 + 7x2 + -7x2 Combine like terms: 3x2 + -7x2 = -4x2 8 + -4x2 = 28 + 7x2 + -7x2 Combine like terms: 7x2 + -7x2 = 0 8 + -4x2 = 28 + 0 8 + -4x2 = 28 Add '-8' to each side of the equation. 8 + -8 + -4x2 = 28 + -8 Combine like terms: 8 + -8 = 0 0 + -4x2 = 28 + -8 -4x2 = 28 + -8 Combine like terms: 28 + -8 = 20 -4x2 = 20 Divide each side by '-4'. x2 = -5 Simplifying x2 = -5 Reorder the terms: 5 + x2 = -5 + 5 Combine like terms: -5 + 5 = 0 5 + x2 = 0 The solution to this equation could not be determined.
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