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12x+30=9x-6+6
12x+30=9x
12x-9x=-30
3x=-30
x=-30/3
x=-10
Jadi p nya adalah -10
P+2=-10+2=-8
Jwbannya c.
12x+30=9x-6+6
12x+30=6x
30=6x-9x
30=-3x
x=30:-3
x=-10
p+2
-10+2
-8
p+2
5+2=7