POMOCYYY !!! DAM NAJ!!! zad.1 Rozwiąż: {3x + 2y = 34 { 1x + 3y = 23

{3x + 2y = 34 { 1x + 3y = 23 {3x+2y=34 {x=-3y+23 3·(-3y+23)+2y=34 -7y+69=34 -7y=-35   / : (-7) y=5 x=-3·5+23 x=8 {x=8 {y=5

[latex] left { {{3x + 2y = 34} atop {x + 3y = 23 / * (-3)}} ight. [/latex] [latex] left { {{3x + 2y = 34} atop {-3x - 9y = -69}} ight. [/latex] -7y = -35 /:(-7) y=5 [latex] left { {{3x + 2y = 34 / * (-3)} atop {x + 3y = 23 / * 2}} ight. [/latex] [latex] left { {-9x - 6y = -102} atop {2x + 6y = 46}} ight. [/latex] -7x = -56 /:(-7) x=8 [latex] left { {{x=8} atop {y=5}} ight. [/latex]