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