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Simplifying 0 = 14 * 2.8 + 21 * 4.2 Multiply 14 * 2.8 0 = 39.2 + 21 * 4.2 Multiply 21 * 4.2 0 = 39.2 + 88.2 Combine like terms: 39.2 + 88.2 = 127.4 0 = 127.4 Solving 0 = 127.4 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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