I would recommend pulling up a graphing calculator (I would recommend Desmos) and do the following: in 1 box, input the equation, next, click another box, click the plus icon, click table, input your points, then the point on the graphed line is your answer. It may be cheat-y according to some schools, but not to mine.
Oh wow, I just learned this today actually. I can lend you some notes to help you.
Wait your still writing on paper?
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