Question

Пожалуйста 50 баллов​

Answer 1

$1); ; left { {{3(x-1)<x-3} atop {5(x+3)>2x+3}} right. ; left { {{2x<0} atop {3x>-12}} right.; left { {{x<0} atop {x>-4}}right.; to ; ; xin (-4,0)\\2); ; left { {{2(y-2)geq 3y+1} atop {5(y+1)leq 4y+3}} right.; ; left { {{-5geq y} atop {yleq -2}} right.; ; left { {{yleq -5} atop {yleq -2}} right. ; ; to ; ; yin (-infty ,-5, ]$

$3); ; left { {{3(2y-3)leq y+6} atop {4(3y+1)geq 5y-10}} right.; ; left { {{5yleq 15} atop {7ygeq -14}} right.; ; left { {{yleq 3} atop {ygeq -2}} right.; ; to ; ; yin [-2,3, ]$

$4); ; left { {{2(3x+2)>5(x-1)} atop {7(x+2)<3(2x+3)}} right.; ; left { {{x>-9} atop {x<-5}} right.; ; to ; ; xin (-9,-5)$