Răspuns:
4x*1/4=(2x4x-1)
(2x1/4-1)+1/2=(8x-1)X1/2+1/2=4x1/2+1/2=x4
4x=25
x=25/4=6,25
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Răspuns:
4x*1/4=(2x4x-1)
(2x1/4-1)+1/2=(8x-1)X1/2+1/2=4x1/2+1/2=x4
4x=25
x=25/4=6,25