SOLUTION: if A+B = 90 and A-B = 60, find the value of A and B

Algebra ->  Equations -> SOLUTION: if A+B = 90 and A-B = 60, find the value of A and B      Log On


   

Question 1088623: if A+B = 90 and A-B = 60, find the value of A and B
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Add the equations together,
A%2BB%2BA-B+=90%2B+60
2A=150
Solve for A then use either equation to solve for B.