Question

Решите систему уравнений 4x-3y=12 3x+4y=34

Answer 1

$\left \{ {{4x-3y=12} \atop {3x+4y=34}} \right. <=>\left \{ {{16x-12y=48} \atop {9x+12y=102}} \right. =>25x=150=>x=6=>y=4\\(x;y)=(6;4)$