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-3y -2x = -15
2) 60 - 10m = -5m
-10m + 5m = -60
-5m = -60
m = -60/-5
m = 12
3) - 4x + 12 = 6 - 4x
-4x + 4x = 6-12
x = 0
4 ) 3m + 8 = 6 + 2m -1
3m - 2m = -8 +6 +1
m = -1
sorry kalau salah
2. 10(6-m)=-5m
60-10m=-5m
60-10m+10m=-5m+10m
60=5m
12=m
3. 4-(3-x)=6-4x
4-3+x=6-4x
1+x=6-4x
1+x+4x=6-4x+4x
1+5x=6
1-1+5x=6-1
5x=5
x=1
4. 3m+8=2(3+m)-1
3m+8=6+m-1
3m+8=6-1+m
3m+8=5+m
3m-m+8=5+m-m
2m+8=5
2m+8-8=5-8
2m=-3
m=-3/2
maaf ya kalo salah, coba di cek lagi