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Simplifying -6(-15) + (-7) = 0 Multiply -6 * -15 90 + (-7) = 0 90 + -7 = 0 Combine like terms: 90 + -7 = 83 83 = 0 Solving 83 = 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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