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Simplifying 0 = -7(-1) + -7(9) Multiply -7 * -1 0 = 7 + -7(9) Multiply -7 * 9 0 = 7 + -63 Combine like terms: 7 + -63 = -56 0 = -56 Solving 0 = -56 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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