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Simplifying 7 + -9 + -12 + -8 + 5 = 0 Combine like terms: 7 + -9 = -2 -2 + -12 + -8 + 5 = 0 Combine like terms: -2 + -12 = -14 -14 + -8 + 5 = 0 Combine like terms: -14 + -8 = -22 -22 + 5 = 0 Combine like terms: -22 + 5 = -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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