Question

решите срочно алгебра

Answer 1

$\left \{ {{y=|x|} \atop {y=-x+4}} \right. \\\\1)x\geq0\\\\\left \{ {{y=x} \atop {y=-x+4}} \right.\\\\\left \{ {{y=x} \atop {x=-x+4}} \right. \\\\\left \{ {{y=x} \atop {2x=4}} \right.\\\\\left \{ {{y=2} \atop {x=2}} \right.\\\\2)x<0\\\\\left \{ {{y=-x} \atop {y=-x+4}} \right. \\\\\left \{ {{y=-x} \atop {-x=-x+4}} \right.\\\\\left \{ {{y=-x} \atop {0*x=4}} \right. \Rightarrow x\in\oslash\\\\Otvet:\boxed{(2;2)}$