SOLUTION: Find the value of x and y : 5x+2y=400 and 5x =2y

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Question 982500: Find the value of x and y :
5x+2y=400 and 5x =2y
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Substitute,
5x%2B5x=400
10x=400
x=40
Then,
5%2840%29=2y
y=100