17arabs 17arabs

08-05-2020
Mathematics

contestada

find the value of 5(a-4b) when a =-7 and b=1/4

Respuesta :

Hrishii Hrishii

08-05-2020

Answer:

- 40

Step-by-step explanation:

[tex]5(a - 4b) \\ = 5 \bigg(- 7 - 4 \times \frac{1}{4} \bigg ) \\ = 5 \bigg(- 7 - 1 \bigg ) \\ = 5 \times ( - 8) \\ = - 40[/tex]

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