Can someone please help me with a and b.

2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !

Solve 3x-18=2y and 5x-6y=6 by elimination show work

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?