Question

2. Rezolvati in Z inecuatiile :
a) x+1<8
b)4-x>7
c)-2x+85-16​

Answer 1

Răspuns:

Explicație pas cu pas:

a) x+1<8   => x<8-1  =>  x<7 => x= { ....,-3,-2,-1,0,1,2,3,4,5,6,7}

b) 4-x>7  => 4-7>x  =>-3>x  =>x<-3  => x={..., -6,-5,-4}

c) ?