Respuesta :

Answer:

x = -13/35

Step-by-step explanation:

Subtract 4/5 from both sides of the equation:

x = 3/7 - 4/5 = (15 -28)/35 = -13/35

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Check

4/5 -13/35 = 28/35 -13/35 = 15/35 = 3/7 . . . . as required

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