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Simplifying 15 + -1(-2) = 0 Multiply -1 * -2 15 + 2 = 0 Combine like terms: 15 + 2 = 17 17 = 0 Solving 17 = 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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