SOLUTION: Solve each system by the addition method. Determine whether the equations are independent, dependent, or inconsistent 4x +3y = 2 -12x – 9y = -6

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: Solve each system by the addition method. Determine whether the equations are independent, dependent, or inconsistent 4x +3y = 2 -12x – 9y = -6       Log On


   

Question 286847: Solve each system by the addition method. Determine whether the equations are independent, dependent, or inconsistent
4x +3y = 2
-12x – 9y = -6
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
multiply first equation by 3
4x+9y=6
-12x-9y=-6
add
-8x=0
x=0
y=2/3
(0,2/3)
for independent etc see
http://mathforum.org/library/drmath/view/62538.html