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b dan f tidak sesuai hpnya
5.a. x+3=8
x=8-3
x=5
b. 7-x=4
-x=4-7
x=3
c. 3x+5=11
3x=11-5
x= 6:3
x= 2
d. 5x-3=x+9
5x-x=9+3
4x=12
x=12:4
x=3