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Simplifying (-10)(2) * 2 + (6)(-3) + -1(-4)(-7) = 0 Multiply -10 * 2 -20 * 2 + (6)(-3) + -1(-4)(-7) = 0 Multiply -20 * 2 -40 + (6)(-3) + -1(-4)(-7) = 0 Multiply 6 * -3 -40 + -18 + -1(-4)(-7) = 0 Multiply -1 * -4 -40 + -18 + 4 * -7 = 0 Multiply 4 * -7 -40 + -18 + -28 = 0 Combine like terms: -40 + -18 = -58 -58 + -28 = 0 Combine like terms: -58 + -28 = -86 -86 = 0 Solving -86 = 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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