Question

решите систему уравнений 4х+3у=-3 х+2у=3

Answer 1

$\left \{ {{4x+3y=-3} \atop {x+2y=3}} \right. \left \{ {{4x+3y=-3} \atop {x=3-2y}} \right. \left \{ {{4(3-2y)+3y=-3} \atop {x=3-2y}} \right. \left \{ {{12-8y+3y=-3} \atop {x=3-2y}} \right. \left \{ {{15=5y} \atop {x=3-2y}} \right. \left \{ {{y=3} \atop {x=-3}} \right.$