Question

$left { {{8y-5 textless 6y+3} atop {y+3 textless 4y-9}} right.$ Пожалуйста

Answer 1

$left { {{8y-5 textless 6y+3} atop {y+3 textless 4y-9}} right. ,\\ left { {{8y-6y textless 3+5} atop {y-4y textless -9-3}} right.,\\ left { {{2y textless 8 |:2} atop {-3y textless -12 |:(-3)}} right.,\\ left { {{y textless 4} atop {y textgreater 4}} right. Longrightarrow yin R, yne4.\\OTBET: yin R, yne4.$