minus 2z on both sides
3z-43=80
then add 43 to each side
3z=123
then divide 123 by 3 and you get
z=41
how do you solve 5z-43=2z+80
2 answers
5z-43=2z+80
5z - 2z = 80 + 43
3z = 123
z = ?
5z - 2z = 80 + 43
3z = 123
z = ?