Posted by Tila on .
Use a substitution method to solve the linear system 2a=8
a+b=2

math 
Alan,
Divide the 2 to both sides of the fits equation making a = 4
then Subsituted the 4 for a in the second equation making it 4+B=2 then subtract the four from both sides making the equation B equels 2 
math 
Helper1001,
Did this help you