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1. 5x-12=0
5x=12
x=12/5
2. 13x+36=0
13x=-36
x= -36/13
3. 9y-2=0
9y=2
y=2/9
4. 2y=12y+5
2y-12y=5
-10y=5
y= 5/-10
Nomor 2.
Nomor 3.
Nomor 4.