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I've already got part A...
A = 9(x+23)/2
2A = 9(x+23)
2A/9 = (x+23)
2A/9 - 23 = x
x = 2A/9 - 23

But I need help on the other 2.

so plug 108 for a

the solve for x

ok just a sec

u need help?

the equation is x=2a/9-23
so 2x108=216
216/9=24
24-23=1
x=1

yes great!

u need help on part c?

Yay! (: Yea, if you don't mind.

ok for part c

I was taught that if you divided by a negative, the sign was flipped. Am I confused about that?

yes whenever u divide anything my a negative it becomes the oposite sign, youre correc about that!

by*

So should the sign be flipped at the end in this?

yes the answer is a negative fraction which is -120/p

Oh ok. Thank you so much for the help! (:

np, wheneever u have a question, just tag me! id love to help

Thanks, I will if i need help.