Question

Evaluate expression using the value given for the variable
7b - 2a, when a = -3 and b = 4

Answer 1

34

Explanation:

Substitute the given values for a and b into the expression

7(4) - 2(- 3) = 28 - (- 6) = 28 + 6 = 34

Answer 2

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)