What is the value of the expression 5ab−7b+c when a=3, b=3, and c=4? 13 24 28 39

Question

What is the value of the expression 5ab−7b+c when a=3, b=3, and c=4?

13

24

28

39

in progress 0
Neala 3 years 2021-08-28T17:17:45+00:00 2 Answers 6 views 0

Answers ( )

  1. Ben
    0
    2021-08-28T17:18:48+00:00
    Reply

    Answer: the value of the expression is 28

    Step-by-step explanation:

    we simply substitute the letters in for the numbers.

    5(3)(3) – 7(3) + (4)

    we just multiply all of those together.

    45 – 21 + 4

    answer: 28

  2. ngockhue
    0
    2021-08-28T17:19:25+00:00
    Reply

    Answer:

    the value of the expression is 28

    Step-by-step explanation:

    since we have already been given the values of a, b and c ,we must substitute them in the expression like this:

    5(3)(3)-7(3)+4

    28

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