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-7x + x <= 7+5
-6x <= 12
6x >= -12
x >= -2
maka, HP= {-2,-1,0,1,2,...}
D
- 7x + x ≤ 7 + 5
-6x ≤ 12
Bagi -6 , tanda dibalik .
x ≥ - 2
x lebih besar atau sama dengan 2
Maka Hp nya {-2,-1,0,1,2,...} (D.)
smgmbntu ya kalau bolehjadikanterbaik ya^_^