Jawab:
Penjelasan dengan langkah-langkah:
3. d. 90 - 35 = 55
4. b. 20
90 = 30 + 3a
3a = 60 -> a = 20
5. b. 180 - 125 = 55
6. b. 90 = 5a -> a = 18
7. c. 150 = 5q -> q = 30
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Jawab:
Penjelasan dengan langkah-langkah:
3. d. 90 - 35 = 55
4. b. 20
90 = 30 + 3a
3a = 60 -> a = 20
5. b. 180 - 125 = 55
6. b. 90 = 5a -> a = 18
7. c. 150 = 5q -> q = 30