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Evaluate -7a – 2b, if a = -1 and b = 2.
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2 votes
Evaluate -7a – 2b, if a = -1 and b = 2.

User Dlev
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2 Answers

3 votes

Plug in a and be into the equations:

- 7( - 1) - 2(2) = \\ 7 - 4 = \\ 3

User Nlassaux
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6.3k points
6 votes
Plug in a and be into the equations:

- 7( - 1) - 2(2) = \\ 7 - 4 = \\ 3
User Pratik Bothra
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6.8k points
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