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1. y = 79/12 atau y = 6 7/12
2. x = 17/3
2 1/4 + 5 - 5y = 2/3 - 4y
agar lebih mudah,kalikan kedua ruas dengan kpk penyebut yaitu 12
9.3 + 5.12 - 5y.12 = 2.4 - 4y x 12
27 + 60 - 60y = 8 - 48y
87 - 60y = 8 - 48y
-60y+48y = 8-87
-12y = -79
y = 79/12 = 6 7/12
2.) (x-3) / 2 = 3 - (x+1)/4
agar lebih mudah,kalikan kedua ruas dengan kpk penyebut yaitu 4
2(x-3) = 3.4 - x+1
2x-6 = 12 - x - 1
2x + x = 11 +6
3x = 17
x = 17/3 = 5 2/3