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Simplifying [7(-3) + 2(4)] = 0 Multiply 7 * -3 [-21 + 2(4)] = 0 Multiply 2 * 4 [-21 + 8] = 0 Combine like terms: -21 + 8 = -13 [-13] = 0 -13 = 0 Solving -13 = 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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