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20 November, 12:01

Evaluate 2a-5b-3a for a=-2 and b=5

a. - 23

b. 27

c.-35

d-15

+4
Answers (2)
  1. 20 November, 13:16
    0
    Put the numbers given accordingly in the equation

    bracket means multiply

    2 (-2) - 5 (5) - 3 (-2)

    =-4-25+6

    =-23

    a. - 23
  2. 20 November, 14:49
    0
    a. - 23

    Step-by-step explanation:

    2a-5b-3a

    The first step is combine terms

    -a - 5b

    a = - 2 ad b=5

    - (-2) - 5 (5)

    +2 - 25

    -23
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