Ok, so if you’re saying -18=r-3, then first you need to add 3 to each side so you can move the 3 with the -18 so you can isolate r. (Leave it by itself). So now your equation is -18+3=r. Next, combine like terms, so do -18+3, which is -15. Now you have -15=r, so r is equal to -15.
What the make no sense but I believe it is 50.24 hope that helps
Answer:
e =0 or e= -4
Step-by-step explanation:
First we'll equate the given equation with zero then it'll be proper answer and after that it follows like this
By taking e has common

Now,
From this we compare both equation separately and we get
e=0 and e= -4
Note:- If you don't wanna equate the equation with 0 then your answer will be

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Answer:
8
Step-by-step explanation:
-
= 100 - 36 = 64
= 8
I think that it would be the first one A