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Simplifying 7 = 4(7) + 15 Multiply 4 * 7 7 = 28 + 15 Combine like terms: 28 + 15 = 43 7 = 43 Solving 7 = 43 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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