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Simplifying 42x2 + 138 + -120 = 0 Reorder the terms: 138 + -120 + 42x2 = 0 Combine like terms: 138 + -120 = 18 18 + 42x2 = 0 Solving 18 + 42x2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + 42x2 = 0 + -18 Combine like terms: 18 + -18 = 0 0 + 42x2 = 0 + -18 42x2 = 0 + -18 Combine like terms: 0 + -18 = -18 42x2 = -18 Divide each side by '42'. x2 = -0.4285714286 Simplifying x2 = -0.4285714286 Reorder the terms: 0.4285714286 + x2 = -0.4285714286 + 0.4285714286 Combine like terms: -0.4285714286 + 0.4285714286 = 0.0000000000 0.4285714286 + x2 = 0.0000000000 The solution to this equation could not be determined.
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