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Simplifying 4 + 5 * 9 = 0 Multiply 5 * 9 4 + 45 = 0 Combine like terms: 4 + 45 = 49 49 = 0 Solving 49 = 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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