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17-09-2020
Mathematics

contestada

Evaluate the expression when a = - 4.2 and b = - 3.9 . - 7b + 2a

Respuesta :

morenom2021 morenom2021

17-09-2020

Answer:

-35.7

Step-by-step explanation:

1. Plug in a and b to the equation:

7(-3.9)+2(-4.2)

2. Evaluate: -35.7

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