Monday, December 24, 2012

At what point does the line 2y-3x+5 = 0 meets the line 3y-4x-8 = 0 ?

Given the lines:


2y-3x + 5 =
0...........(1)


3y-4x -8=
0..............(2)


Both line meets at a point, This point is the
solution to the system.


We will use the elimination method to find
the points.


We will multiply (1) by 3 and (2) by
-2


3*(1) ==> 6y -9x +15 =
0


-2*(2)==> -6y +8x +16 = 0


Now
we will add both equations.


==> -x + 31 =
0


==> -x = -31


==> x =
31


==> y= (3x-5)/2 = 3*31-5 /2 = 93-5 /2 = 88/2 =
44


Then the lines meets at the point (31,
44)

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