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3b - 2a -9 when a =1/2 and b= 7
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3b - 2a -9 when a =1/2 and b= 7

User Rich Dougherty
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2 Answers

4 votes
The answer is 11 because it is
User Will Custode
by
4.1k points
9 votes

Answer: 11

Explanation:

1. Evaluate 2a when a = 1/2

2a

2 x (1/2) = 1

2. Evaluate 3b when b = 7

3b

3x7 = 21

3. Put the pieces of the expression back together

21 - 1 -9

4. Solve

11

User Luke Hoersten
by
4.9k points
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