0
Anonymous
-8
Dianna Carter ∙
12 + 5 equals...
-12 (?)
25
12/3 = 4
3x=12 3x/3=12/3 x=4
p4 + 3O2 ---> 2PO3
Add 12 to each side: a = 36 + 12 = 48
If n + 7 = 12, then n = 12 - 7
-0.5
x=12
-12=m+4 -16=m