SOLUTION: Need help. Use the elimination method to solve the system of equations. a+7b=16 a+4b=7 Can you please show work for the answer.

Algebra ->  Linear-equations -> SOLUTION: Need help. Use the elimination method to solve the system of equations. a+7b=16 a+4b=7 Can you please show work for the answer.      Log On


   



Question 630905: Need help. Use the elimination method to solve the system of equations. a+7b=16 a+4b=7
Can you please show work for the answer.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Use the elimination method to solve the system of equations. a+7b=16 a+4b=7
----------
a+7b=16
a+4b=7
-------- Subtract
3b = 9
b = 3
etc