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Simplifying 21.3 + (2) * 21 = 0 Multiply 2 * 21 21.3 + 42 = 0 Combine like terms: 21.3 + 42 = 63.3 63.3 = 0 Solving 63.3 = 0 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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