Question

Решите пожалуйста систему уравнений !!!
3х+4у=11
5х-2у=1
Х=?

Answer 1

$\left \{ {{3x+4y=11} \atop {5x-2y=1}} \right. \; \left \{ {{3x+4y=11} \atop {10x-4y=2}} \right. \; \left \{ {{13x=13} \atop {5x-2y=1}} \right. \; \left \{ {{x=1} \atop {5-2y=1}} \right. \; \left \{ {{x=1} \atop {y=2}} \right.$