Respuesta :

21x - 14
Explanation:
you distribute the 7, and first multiply it by 3x to get 21x. Then you distribute the 7 and multiply it by the -2 to get -14.

Hope this helps!

Answer:

21 x - 14

Step-by-step explanation:

7 ( 3 x -2 )

Using distributive property,

multiply both by 7

7 × 3 x - 7 × 2

21 x - 14

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