I find from the first equation that x = 3y and plugging in to the second equation we get

Question

I find from the first equation that x = 3y and plugging in to the second equation we get 
o.2y+37(-3y)=23
0.2y-111y=23
-110.8y=23
y=-23/110.8
x=69/110.8
need help to understand why the elimination process in not work in this linear equation?

bobpursley · Answer

without both equations, I do not have a clue either.

unknown · Answer

12y +4x=0 0.2y+37x=23 does this help