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1/2x-4=1/3x-2
1/2(12) -4= 1/3(12)-2
2=2 (memenuhi)
d. y =9
y-7/2 -1/3 = y-1/3
9-7/2-1/3= 9-1/3
2/2-1/3= 8/3
1-1/3 = 8/3
2/3=8/3 (tidak memenuhi)
e.x=200
0,2(x-50) = 20-0,05x
0,2(200-20)= 20- 0,05(200)
40-4= 20-10
36=10 (tdk mmnuhi)
semoga bnar dah nih jawaban
tlong koreksi lg
moga mnbantu