For the first one, 9 + x = 24, you'll need subtraction.
For the second one, 27x = 2673, you'll need division.
Step-by-step explanation:
Y= mx + c
2y = 3x - 8
2y = -3× - 8 ( divide all yerms by two )
y = <u>-</u><u>3</u><u> </u>× 4
2
y = <u>-</u><u>3</u><u> </u>
2
You forgot to post the picture of the graph
