b. 5 x + 8 ≤ 7 x - 4, dengan x peubah pada himpunan bilangan bulat !
5x + 8 ≤ 7x - 4
5x - 7x ≤ - 4 - 8
-2x ≤ -12
x ≤ -12/-2
x ≤ 6
[tex]\purple{\boxed{\green{\boxed{\red{\tt{\ \: \red{{ ༻ シ︎XxDAЯКNESSxXツ ༺ }}}}}}}}[/tex]
[answer.2.content]5x + 8 ≤ 7x - 4
5x - 7x ≤ - 4 - 8
-2x ≤ -12
x ≤ -12/-2
x ≤ 6
[tex]\purple{\boxed{\green{\boxed{\red{\tt{\ \: \red{{ ༻ シ︎XxDAЯКNESSxXツ ༺ }}}}}}}}[/tex]
[answer.2.content]