Question 380440
12-4(p-4)=3p
12-4p+(-4)*(-4)=3p

12-4p+16=3p
28-4p=3p
+4p
28-4p+4p=3p+4p
28=7p
/7
28/7 = 7p/7
4=p
..
p=4
..
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