August 2018 2 25 Report
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1. tentukan himpunan penyelesaian dari :
a. 7x - 4 = 4x + 20
b. 2x + 3 = 3x + 7
c. 8x + 2 >3x + 12
d. 3< x + 5 <8

2. tulislah persamaan ekuivalen dgn persamaan 6 + 3x = 18
3. jika harga 1 lusin kaos Rp.120.000,00.berapa harga 1 kodi kaos?
4. bentuk sederhana dari :
a. 75 : 45
b. setengah hari : 15 jam
c. 36 :99
d. 30 : 24
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