SOLUTION: Solve simultaneously for a and b a+2b=5 a-b=0

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Question 66560: Solve simultaneously for a and b
a+2b=5
a-b=0
Answer by rcmcc(152) About Me  (Show Source):
You can put this solution on YOUR website!
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