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2009-12-02T13:39:45+01:00
2(x+½)=4(x+½)
2x+1=4x+2
2x-4x=2-1
-2x=1/÷ (-2)
x=-½
2009-12-02T13:39:16+01:00
2x +1 = 4x + 2
2x - 4x = 2 - 1
-2x = 1 /(-2)
x = -1/2
2009-12-02T13:40:09+01:00
2(x+1/2)=4(x+1/2) 2x+1=4x+2 2x-4x=2-1 -2x=1/:(-2)
x=-1/2