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Simplifying 5[3 + -5(6 + -7)] = 0 Combine like terms: 6 + -7 = -1 5[3 + -5(-1)] = 0 Multiply -5 * -1 5[3 + 5] = 0 Combine like terms: 3 + 5 = 8 5[8] = 0 Multiply 5 * 8 40 = 0 Solving 40 = 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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