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2010-03-04T16:49:18+01:00
3(x-3)=3x-9
5(y+z)=5x+5z
4(3x-y)=12x-4y
3(4a-c)=12a-3c
-2(7-4n)=-14+8n
2010-03-04T16:49:33+01:00
3(x-3)=3x-9
5(y+z)=5y+5z
4(3x-y)=12x-4y
3(4a-c)=12a-3c
-2(7-4n)=-14+8n
2010-03-04T16:49:58+01:00
3(x-3)=3x-9
5(y+z)=5y+5z
4(3x-y)=12x-4y
3(4a-c)=12a-3c
-2(7-4n)=-14+8n