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Simplifying 4x2 + -4x2 = 18x2 + 13 Combine like terms: 4x2 + -4x2 = 0 0 = 18x2 + 13 Reorder the terms: 0 = 13 + 18x2 Solving 0 = 13 + 18x2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-18x2' to each side of the equation. 0 + -18x2 = 13 + 18x2 + -18x2 Remove the zero: -18x2 = 13 + 18x2 + -18x2 Combine like terms: 18x2 + -18x2 = 0 -18x2 = 13 + 0 -18x2 = 13 Divide each side by '-18'. x2 = -0.7222222222 Simplifying x2 = -0.7222222222 Reorder the terms: 0.7222222222 + x2 = -0.7222222222 + 0.7222222222 Combine like terms: -0.7222222222 + 0.7222222222 = 0.0000000000 0.7222222222 + x2 = 0.0000000000 The solution to this equation could not be determined.
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