SOLUTION: y=3x 2x+y=5 This is the substitution method.its one problem.Please help me find the answer to this problem

Question 375032: y=3x
2x+y=5
This is the substitution method.its one problem.Please help me find the answer to this problem
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the second equation.

Plug in (ie replace every 'y' with '3x')

Combine like terms on the left side.

Divide both sides by to isolate .

Reduce.

Go back to the first equation.

Plug in

Multiply

So the answers are and which form the ordered pair (1,3)

This means that the system is consistent and independent.

If you need more help, email me at jim_thompson5910@hotmail.com

Also, feel free to check out my tutoring website

Jim
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