Question 664720
1) subtract 14 from both sides: {{{14-14-4z=-34-14}}}
2) 14-14=0 and -34-14=-48:  {{{-4z=-48}}}
3) devide -4 to both sides to get the z by itself: {{{-4z/-4=-48/-4}}}
4) -4z/-4=1z and -48/-4=12: answer is:   {{{z=12}}}