Question

real numbers
evaluating a linear expression: integer multiplication with addition or...
evaluate the expression when $x=2$ and $y=-6$.
$x-7y$

Explanation:

Step1: Substitute given values

Substitute $x=2$ and $y=-6$ into $x-7y$:
$2 - 7(-6)$

Step2: Calculate the multiplication

Compute $7(-6)$ first:
$2 - (-42) = 2 + 42$

Step3: Compute the final sum

Add the two terms:
$2 + 42 = 44$

Answer:

44