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Simplifying (2) * 9 + 3 + 7(-4) = 0 Multiply 2 * 9 18 + 3 + 7(-4) = 0 Multiply 7 * -4 18 + 3 + -28 = 0 Combine like terms: 18 + 3 = 21 21 + -28 = 0 Combine like terms: 21 + -28 = -7 -7 = 0 Solving -7 = 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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