Answer:
z = -7.5
Step-by-step explanation:
3.5z -2.7z = -6
Combine like terms
.8z = -6
Divide each side by .8
.8z/.8 = -6/.8
z= 12 over 47
first you have to collect like terms..then that will get you -23.5z=-6 then divide both sides by -23.5z..then you should get your answer
