0.5x-0.75[x-(4x+1)]=1-x+1/4
z góry dziekuje
0.5x-0.75[-3x-1]=1¼ -x
0.5x + 2¼x + 0.75= 1¼ -x
3¾x=½
x=²/₁₅
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0.5x-0.75[-3x-1]=1¼ -x
0.5x + 2¼x + 0.75= 1¼ -x
3¾x=½
x=²/₁₅