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Simplifying 31 + -1(2 + 1) = (31 + -2) + 1 Combine like terms: 2 + 1 = 3 31 + -1(3) = (31 + -2) + 1 Multiply -1 * 3 31 + -3 = (31 + -2) + 1 Combine like terms: 31 + -3 = 28 28 = (31 + -2) + 1 Combine like terms: 31 + -2 = 29 28 = (29) + 1 28 = 29 + 1 Combine like terms: 29 + 1 = 30 28 = 30 Solving 28 = 30 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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