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2009-11-29T21:15:40+01:00
2(x+1)=14
2x+2=14
2x=14-2
2x=12 /:2
x=6

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2009-11-29T21:16:44+01:00
2(x+1)=14
2x+2=14
2x=14-2
2x=12 /:2
x=6
2009-11-29T21:16:45+01:00
2(x+1)=14
2x+2=14
2x=14-2
2x=12/:2
x=6