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3x=4
x=4/3
4) 2x+3=3x+7
-x=4
x=-4
5) 7x-4=4x+20
3x=24
x=8
6) 3(2y-2)=4y+2
6y-6=4y+2
2y=8
y=4
nomor 3 tidak ada di pilihan jadi mungkin salah pilihannya
6+3X=10
3X = 10-6
3X= 4
X = 4/3
X = 1.3 gak ada jawabannya
4.
2x +3 = 3x-7
2x-3x = 7-3
-x = 4
x= -4 (B)
5.
7x-4x=20+4
3x=24
x=24/3
x=8 (D)
6.
3(2y-2) = 4y+2
6y - 6 = 4y +2
6y - 4y = 6+2
2y = 8
y = 8/2
y = 4 (A)