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Simplifying -2x2 + -84 = 4x2 + -12 Reorder the terms: -84 + -2x2 = 4x2 + -12 Reorder the terms: -84 + -2x2 = -12 + 4x2 Solving -84 + -2x2 = -12 + 4x2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4x2' to each side of the equation. -84 + -2x2 + -4x2 = -12 + 4x2 + -4x2 Combine like terms: -2x2 + -4x2 = -6x2 -84 + -6x2 = -12 + 4x2 + -4x2 Combine like terms: 4x2 + -4x2 = 0 -84 + -6x2 = -12 + 0 -84 + -6x2 = -12 Add '84' to each side of the equation. -84 + 84 + -6x2 = -12 + 84 Combine like terms: -84 + 84 = 0 0 + -6x2 = -12 + 84 -6x2 = -12 + 84 Combine like terms: -12 + 84 = 72 -6x2 = 72 Divide each side by '-6'. x2 = -12 Simplifying x2 = -12 Reorder the terms: 12 + x2 = -12 + 12 Combine like terms: -12 + 12 = 0 12 + x2 = 0 The solution to this equation could not be determined.
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