Rozwiąż układ równań. 3y-9=x+3 3x-4=2y-5 i to ma by w klamrze.
3y-x=9+3
-2y+3x=4-5
9y-3x=36
-2y + 3x=-1
___________
7y = 35
y=5
15-x=12
-x = -3
x=3
:)
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3y-x=9+3
-2y+3x=4-5
9y-3x=36
-2y + 3x=-1
___________
7y = 35
y=5
15-x=12
y=5
-x = -3
y=5
x=3
y=5
:)