Solve using the substitution method. y+2x=7 14-4x=2y

Given this information, which expression must represent the value of b?

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

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula c= r/1.8 - 273, what is the temperature in celcius corresponding to r degrees rankine.