SOLUTION: How do I solve by substitution 5x-10y=25 X=2y+5

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Question 846545: How do I solve by substitution
5x-10y=25
X=2y+5
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

x = +highlight_green%282y%2B5%29

5(2y+5)-10y=25

 10y + 25 -10y = 25

           0 = 0  There are infinite solutions for this system.  

 x = 2y + 5  and 5x-10y = 25 are the same line:

Note:  x = 2y + 5, 5x = 10y + 25   and 5x-10y = 25