SOLUTION: Solve system by substitution or addition 2y-X=3 x=3y-5

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: Solve system by substitution or addition 2y-X=3 x=3y-5      Log On


   

Question 146118: Solve system by substitution or addition
2y-X=3
x=3y-5
Answer by oscargut(2103) About Me  (Show Source):
You can put this solution on YOUR website!
2y-X=3
x=3y-5
if we do the substitution of x in the firs eq
2y-(3y-5)=3
-y+5=3
-y=-2
y=2
and x=3(2)-5=1
Answer: x=1,y=2