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Simplifying 2.8 + -1(-6.5) = 0 Multiply -1 * -6.5 2.8 + 6.5 = 0 Combine like terms: 2.8 + 6.5 = 9.3 9.3 = 0 Solving 9.3 = 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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