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Simplifying 20 + 30 * 0 + 1 = 1 Multiply 30 * 0 20 + 0 + 1 = 1 Anything times zero is zero. 20 + 0 + 1 = 1 Combine like terms: 20 + 0 = 20 20 + 1 = 1 Combine like terms: 20 + 1 = 21 21 = 1 Solving 21 = 1 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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