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Simplifying 3(-3) + 7 = 0 Multiply 3 * -3 -9 + 7 = 0 Combine like terms: -9 + 7 = -2 -2 = 0 Solving -2 = 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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