QuestionEvaluate $7a - 5b$ for $a = 4$ and $b = 3$. Options: 1, 13, 21, 69.

Studdy Solution
Finally, subtract15 from28 to evaluate the expression.
$$7a -b =28 -15 =13$$So, $7a -b$ equals13 when $a=4$ and $b=3$.