Evaluate 5(a – 2b) when a = –3 and b = 5.

Question

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Answer 1

5(a - 2b), when a=-3, and b=5

 

For this problem, we will substitute -3 for a, and 5 for b:

 

5 (-3 - 2(5))

 

Being careful about our order of operations, we now simplify:

5 (-3 - 10)

 

5 (-13) = -65