Respuesta :

wegnerkolmp2741o

7(a−3+4b)

distribute

7a-7*3+7*4b

7a-21+28b

mathstudent55

Use the distributive property to multiply the 7 by each term inside the parentheses.

7(a - 3 + 4b) =

= 7 * a - 7 * 3 + 7 * 4b

= 7a - 21 + 28b

Answer: 7a - 21 + 28b

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