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Simplifying -7f + -4 + 7f = 1 Reorder the terms: -4 + -7f + 7f = 1 Combine like terms: -7f + 7f = 0 -4 + 0 = 1 -4 = 1 Solving -4 = 1 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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