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2.)5+10=15
3.)6+2=8
÷ × a < 10 ÷
×
a < 25
2. a - 4 > 8
a - 4 + 4 > 8 + 4
a > 12
÷ × a > 12 ÷
a > 24
3. 5a + 4 ≤ 29
5a + 4 - 4 ≤ 29 - 4
5a ≤ 25
5 ÷ 5 × a ≤ 25 ÷ 5
a ≤ 5
4. 7x - 3 ≥ 60
7x - 3 + 3 ≥ 60 + 3
7x ≥ 63
7 ÷ 7 × x ≥ 63 ÷ 7
x ≥ 9
5. -9c < -72
-9 ÷ -9 × c < -72 ÷ -9
c > 8
[karena kalau dibagi/dikali angka negatif tandanya kebalik. contohnya seperti yang diatas ini ^^]
Semoga membantu yaa