Question 66560
Use a system of equations to solve
a+2b=5
a-b=0

isolate a from the first equation

a=5-2b
substitute into the second formula
5-2b-b=0
5-3b=0
3b=5
b=5/3
now add this to your first equation
a+(2(5/3))=5
a+10/3=5
a=5/3

both a and b are 5/3