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Simplifying 121 = 49 + -4x2 Solving 121 = 49 + -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. 121 + 4x2 = 49 + -4x2 + 4x2 Combine like terms: -4x2 + 4x2 = 0 121 + 4x2 = 49 + 0 121 + 4x2 = 49 Add '-121' to each side of the equation. 121 + -121 + 4x2 = 49 + -121 Combine like terms: 121 + -121 = 0 0 + 4x2 = 49 + -121 4x2 = 49 + -121 Combine like terms: 49 + -121 = -72 4x2 = -72 Divide each side by '4'. x2 = -18 Simplifying x2 = -18 Reorder the terms: 18 + x2 = -18 + 18 Combine like terms: -18 + 18 = 0 18 + x2 = 0 The solution to this equation could not be determined.
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