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5 June, 19:31

Evaluate expression using the value given for the variable

7b - 2a, when a = - 3 and b = 4

+4
Answers (2)
  1. 5 June, 19:45
    0
    34

    Step-by-step explanation:

    Substitute the given values for a and b into the expression

    7 (4) - 2 ( - 3) = 28 - ( - 6) = 28 + 6 = 34
  2. 5 June, 19:48
    0
    It would equal 34. all you would do it substitute 4 for b and that'll be 7 (4) - 2a and then substitute 4 for a and that would make the entire expression 7 (4) - 2 (-3)
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