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Verified answer
Kelas 7 MatematikaBab Persamaan Linear
Tipe-x = a
Stabilo = b
a = 5.000 + b
3a + 4b = 57.000
3(5.000 + b) + 4b = 57.000
15.000 + 3b + 4b = 57.000
7b = 57.000 - 15.000
b = 42.000/7
b = Rp 6.000,00
2a = 2 (5.000 + b)
2a = 2 . (5.000 + 6.000)
2a = 2 . 11.000
2a = Rp 22.000,00
Harga 2 tipe-x = Rp 22.000,00