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Simplifying 1981 = 0.3 * 20 + 15 Multiply 0.3 * 20 1981 = 6 + 15 Combine like terms: 6 + 15 = 21 1981 = 21 Solving 1981 = 21 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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