Respuesta :

4/7m = 2/7(2m + 1)
4/7m = 4/7m + 2/7
4/7m - 4/7m = 2/7
0 = 2/7 (incorrect)

no solution
Here you have solutions depending on interpretation of your equation. Use brackets, because somethimes it is hard to guess which values are e.g. in denominator
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