February 2019 0 30 Report
Stosując wzory Cramera rozwiąż układy równań

a)
x₁ = 1+x₂
-3x₁+4x₂-2=0

b)
2x₁-2=-x₂-3x
x₂=2x₃
x₁+3x₂+x₃=1

c)
x₁+x₂-x₃=1
-2x₁-x₂+2x₃=0
-x₁ (puste miejsce) +x₃=0
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