SOLUTION: please help me solve this substitution by elimination problem 5x+15y=30 x+3y=6

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Question 472014: please help me solve this substitution by elimination problem
5x+15y=30
x+3y=6
Answer by LVSMath(2) About Me  (Show Source):
You can put this solution on YOUR website!

(5x+15y)/5=30/5
x+3y=6
x=6-3y
replace:(6-3y)+3y=6
6=6
Answer is 1