monkey61205 monkey61205

24-09-2019
Mathematics

contestada

need a answer
1*5-6+7(9x-7a)

Respuesta :

altavistard altavistard

24-09-2019

Answer:

-1 + 63x - 49a

Step-by-step explanation:

Following order of operations rules:

1*5 = 5

Next, 5 - 6 = -1, and so we now have -1 + 7(9x - 7a).

Apply the distribution rule for multiplication next, obtaining -1 + 63x - 49a

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