Wyznacz y ze wzory.y = ?x - 3y = z
x - 3y = z | + 3y
x = 3y + z | - z
3y = x - z | : 3
y = x - z /(kreska ułamkowa) 3
x-3y=z II:x
-3y=z/x II:(-3)
y=z/-3x
Pozdrawiam :)
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x - 3y = z | + 3y
x = 3y + z | - z
3y = x - z | : 3
y = x - z /(kreska ułamkowa) 3
x-3y=z II:x
-3y=z/x II:(-3)
y=z/-3x
Pozdrawiam :)