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Simplifying 21x2 + 100 = -5 Reorder the terms: 100 + 21x2 = -5 Solving 100 + 21x2 = -5 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-100' to each side of the equation. 100 + -100 + 21x2 = -5 + -100 Combine like terms: 100 + -100 = 0 0 + 21x2 = -5 + -100 21x2 = -5 + -100 Combine like terms: -5 + -100 = -105 21x2 = -105 Divide each side by '21'. 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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