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Simplifying 21 + 30 * 0 + 1 = 0 Multiply 30 * 0 21 + 0 + 1 = 0 Anything times zero is zero. 21 + 0 + 1 = 0 Combine like terms: 21 + 0 = 21 21 + 1 = 0 Combine like terms: 21 + 1 = 22 22 = 0 Solving 22 = 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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