Question

real numbers
evaluating a linear expression: integer multiplication with addition or...
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your answer is incorrect.
evaluate the expression when $a=5$ and $y=-5$.
$y-9a$
50

Explanation:

Step1: Substitute given values

Substitute $a=5$, $y=-5$ into $y-9a$:
$-5 - 9\times5$

Step2: Calculate multiplication first

Compute $9\times5$:
$-5 - 45$

Step3: Perform subtraction

Calculate the final value:
$-50$

Answer:

$-50$