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Simplifying 5 = -4(-4) + -1 Multiply -4 * -4 5 = 16 + -1 Combine like terms: 16 + -1 = 15 5 = 15 Solving 5 = 15 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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