Respuesta :

Answer:

31x + 21

Step-by-step explanation:

7x + 3(8x+7)

use distributive property: 7x + 3(8x)+(3)(7)

7x + 24x +21

gather like terms:

31x + 21

:) hope this helped!

Answer:

31x + 21

Step-by-step explanation:

7x + 3(8x +7)= 7x+24x+21=31x+21

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