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Simplifying 5 + -2(-2) = 7 Multiply -2 * -2 5 + 4 = 7 Combine like terms: 5 + 4 = 9 9 = 7 Solving 9 = 7 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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