Bardzo prosze o rozwiązanie równań daje naj a oto przykłady do rozwiązania: [latex]1.zad left { {{x+y=12} atop {y+6=x}} ight. 2.zad left { {{y-10=2(x-10)} atop {x+5=y}} ight. 3.zad left { {{y-6=x-6- frac{1}{4} }(x-6) atop {x+y=33}} ight. [/late

[latex] left { {{y=12-x} atop {12-x+6=x}} ight. \ left { {{y=12-x} atop {x=9}} ight. \ left { {{y=3} atop {x=9}} ight. \ \ left { {{y-10=2x-20} atop {x+5=y}} ight. \ left { {{y=2x-10} atop {y=x+5}} ight. \ 2x-10=x+5 \ left { {{x=15} atop {y=20}} ight. \ \ left { {{y=33-x} atop {33-x-6=x-6- frac{1}{4}x+ frac{3}{2} /*4 }} ight. \left { {{y=33-x} atop {132-4x=4x-x+6}} ight. \ left { {{x=18} atop {y=15}} ight. \ [/latex]