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3(x-3)=3X+(-9)
5(y+2)=5Y+10
4(3x-y)=12X+(-4Y)
3(4a-c)=12A+(-3C)
-2(7-4n)=-14+8N
b)
½(4z+2)=2Z+1
-⅓(6b-3)-2B+1
0,2(x-5y)=0,2X+(-Y)
3(⅓a+1)=A+3
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