Odpowiedź :
Odpowiedź:
[tex]x - ( \frac{1}{4} x + 1) = 1.25 \\ x - \frac{1}{4} x - 1 = 1.25 \\ \frac{3}{4}x = 2.25 \\ 0.75x = 2.25 \\ x = 3 [/tex]
Odpowiedź:
=x-1/4x-1=1,25
3/4x-1=1,25
3/4x=1,25+1
3/4=2,25 obu stronnie /÷3/4
x=3
Odpowiedź:
[tex]x - ( \frac{1}{4} x + 1) = 1.25 \\ x - \frac{1}{4} x - 1 = 1.25 \\ \frac{3}{4}x = 2.25 \\ 0.75x = 2.25 \\ x = 3 [/tex]
Odpowiedź:
=x-1/4x-1=1,25
3/4x-1=1,25
3/4x=1,25+1
3/4=2,25 obu stronnie /÷3/4
x=3