SOLUTION: Solve the following linear system. 13y = 20x + 3y 13y + ( 8x + y ) = 180

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: Solve the following linear system. 13y = 20x + 3y 13y + ( 8x + y ) = 180      Log On


   

Question 1017602: Solve the following linear system.
13y = 20x + 3y
13y + ( 8x + y ) = 180
Answer by FrankM(1040) About Me  (Show Source):
You can put this solution on YOUR website!
13y = 20x + 3y simplifies to
13y-3y=20x
10y=20x
y=2x
second eq
13y + ( 8x + y ) = 180
14y+8x=180
substitute
14(2x)+8x=180
28x+8x=180
36x=180
x=5
y=10