SOLUTION: How do you solve 2x+3y=1 and -3x+y=15 by substitution? I have tried solving for the x and the y in the first probem but i getr frarctions and i dont think they are right..

Question 405663: How do you solve 2x+3y=1 and -3x+y=15 by substitution?
I have tried solving for the x and the y in the first probem but i getr frarctions and i dont think they are right..
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

and .......... by substitution

Solved by pluggable solver: SOLVE linear system by SUBSTITUTION

Solve:
We'll use substitution. After moving 3*y to the right, we get:
, or . Substitute that
into another equation:
and simplify: So, we know that y=3. Since , x=-4.

Answer: .

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