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Simplifying 66 + -1(-3) = 105 Multiply -1 * -3 66 + 3 = 105 Combine like terms: 66 + 3 = 69 69 = 105 Solving 69 = 105 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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