Respuesta :

dannielle

Answer:

x=3

Step-by-step explanation:

7x-3*x-3*(-6)=30

7x-3x+18=30

4x+18=30

-18          -18

4x=12

:4    :4

x=3

ameliahey

Answer: x  = 3

Step-by-step explanation: I hope this helped :)

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