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3 years ago

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

Mathematics

1 answer:

Delicious77 [7]3 years ago

4 0

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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Step-by-step explanation:

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Step-by-step explanation:

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