Was ist 4•x+1<30??

Hallo Anonymous,

4x + 1 < 30                        / -1

4x       <  29                      /  :4

  x        <  29 : 4    =  $${\frac{{\mathtt{29}}}{{\mathtt{4}}}} = {\mathtt{7.25}}$$      

x   kleiner  7,25

Gruß radix !