The first option is the only one that makes sense.
4(x+x+7) x=1
4(1+1+7)
4+4+28 = 36
(-2x+7-4) x=2
-2(2)+7-4
-4+7-4 = -1
Answer:
Nitrogen has an atomic number of 7 (Z=7) because it has 7 protons in its nucleus.
I think that's what you're looking for
?? I can always be wrong.
Good luck, hope this helped!
Answer:
Whatever you think Hot shot, We don't have the article!!
Step-by-step explanation:
Dear ???,
Re-read and find out your ASAP answer yourself,
Thank you,
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